Charmed ( season 4 ) - wikipedia Charmed ( season 4 ) Charmed ( season 4 ) DVD cover Starring Holly Marie Combs Alyssa Milano Brian Krause Julian McMahon Dorian Gregory Rose McGowan No. of episodes 22 Release Original network The WB Original release October 4, 2001 ( 2001 - 10 - 04 ) -- May 16, 2002 ( 2002 - 05 - 16 ) Season chronology ← Previous Season 3 Next → Season 5 List of Charmed episodes The fourth season of Charmed, an American supernatural drama television series, began airing on October 4, 2001 on The WB. Airing on Thursdays at 9 : 00 pm, the season consisted of 22 episodes and concluded its airing on May 16, 2002. This season also saw the introduction of Rose McGowan as Paige Matthews -- half - sister to Prue, Piper and Phoebe -- and a slight alteration of the opening credits, due to the third season departure of Shannen Doherty as Prue. Paramount Home Entertainment released the complete fourth season in a six - disc boxed set on February 28, 2006. Contents 1 Cast and characters 1.1 Main 1.2 Recurring 1.3 Guest 1.4 Special musical guest 2 Episode list 3 Notes 4 Reception 5 References 6 External links Cast and characters Main Alyssa Milano as Phoebe Halliwell Rose McGowan as Paige Matthews Holly Marie Combs as Piper Halliwell Brian Krause as Leo Wyatt Julian McMahon as Cole Turner Dorian Gregory as Darryl Morris Recurring Jennifer Rhodes as Penny Halliwell James Read as Victor Bennett Finola Hughes as Patty Halliwell Krista Allen as The Source 's Oracle Ben Guillory and Peter Woodward as The Source of All Evil Jesse Woodrow as Glen Balland Debbi Morgan as The Seer Rebecca Balding as Elise Rothman Tony Amendola and Michael Des Barres as Dark Priest Deborah Keller as Julie Guest Jordan Bridges as Shane James Hong as Zen Master Daniel Dae Kim as Yen Lo Robert Englund as Gammill Charlie Weber as The Prince Bethany Joy Lenz as Lady Julia Alex Breckenridge as Michelle Miglis Patrick Fischler as Foreman Cleo King as Tanya Ray Wise as Ludlow Frances Bay as Old Phoebe Halliwell Coolio as Lazarus Demon Costas Mandylor as Rick Lang Louis Mandylor as Nathan Lang Armin Shimerman as Wizard Jaime Gomez as Greg Conroy Carel Struycken as The Tall Man Dakin Matthews as Angel of Destiny Bruce Campbell as Agent Jackman Special musical guest Dave Navarro Rebekah Ryan Episode list See also : List of Charmed episodes No. overall No. in season Title Directed by Written by Original air date Prod. code US viewers ( millions ) 67 68 `` Charmed Again '' Michael Schultz Brad Kern October 4, 2001 ( 2001 - 10 - 04 ) 4301801 6.0 Leo was able to save Piper, but was unable to heal Prue. Piper and Phoebe must now deal with the loss of their oldest sister, and the loss of the Power of Three. However, The Source discovers an unknown sister named Paige Matthews, the daughter of Patty and her Whitelighter, Sam, who had been kept hidden. Paige, the now - youngest Halliwell can restore the Power of Three and reunite the sisters ' strength as witches. Piper and Phoebe must find Paige to destroy the demon Shax and to stop The Source from getting to her first, allowing them to become once again the Charmed Ones and re-constituting the Power of Three. 69 `` Hell Hath No Fury '' Chris Long Krista Vernoff October 11, 2001 ( 2001 - 10 - 11 ) 4301069 5.0 Paige takes the Book of Shadows into her work to cast spells which help her co-workers. Meanwhile, Piper, who is filled with anger over the death of Prue and the recent actions of Paige, is turned into a member of a supernatural band of vigilantes known as the Furies. 70 `` Enter the Demon '' Joel J. Feigenbaum Daniel Cerone October 18, 2001 ( 2001 - 10 - 18 ) 4301071 5.7 Paige makes a major blunder when carelessly mixing potions for Piper while secretly wishing she could be in Phoebe 's shoes training for combat, and ends up switching bodies with Phoebe. While the two sisters try to reverse the spell and struggle to harness each other 's powers, they must battle a Zen Master 's powerful disciple who has turned evil against his mentor and opened up a portal between two worlds. 71 5 `` Size Matters '' Noel Nosseck Nell Scovell October 25, 2001 ( 2001 - 10 - 25 ) 4301070 5.3 Phoebe and Piper do not take Paige seriously when she has a weird feeling about a creepy old house, landing Phoebe in the clutches of a hideous demon named Gammill ( Robert Englund ) and shrunk to a powerless five inches tall. When Paige and Piper also walk into the demon 's trap, his collection is complete. 72 6 `` A Knight to Remember '' David Straiton Alison Schapker & Monica Breen November 1, 2001 ( 2001 - 11 - 01 ) 4301072 4.7 Paige 's favorite ( self - made ) childhood fairy tale -- which she could never remember being able to recall parts of - suddenly becomes real, bringing her face - to - face with her past life as an Evil Enchantress from Medieval times and into the arms of a knight in shining armor. Phoebe and Piper go back in time to vanquish the Evil Enchantress and end up trapped in the Dark Ages, leaving Paige and Leo to rescue them. At the same time, Piper and Phoebe have to periodically fight an electrical demon who is plaguing them, but they need the Power of Three spell to vanquish it. Piper and Phoebe put forward the idea to Paige that she should move into the manor with them. 73 7 `` Brain Drain '' John Behring Curtis Kheel November 8, 2001 ( 2001 - 11 - 08 ) 4301073 4.7 After being warned about the chameleon demon by Cole, Piper wants to give the source an agreement of peace. When Piper, Phoebe, and Paige go to vanquish a demon The Souce kidnap Piper and brain wash her. The Source sends Piper into a deep coma, where she perceives an alternate reality thanks to a demon named Alastair. Everyone in Pipers alternate reality plays on her deepest desire. Phoebe and Paige must find a way to return her to reality and save her from giving up their powers while she is delusional. Leo ultimately comes and heals pipers mind which brought her back to reality. 74 8 `` Black as Cole '' Les Landau Abbey Campbell, Brad Kern & Nell Scovell November 15, 2001 ( 2001 - 11 - 15 ) 4301074 5.1 In the midst of mulling over his marriage proposal, Phoebe faces her inner demons while she also comes face - to - face with Cole 's demonic past. When a demon from the brotherhood arises killing witches, A victim whose fiance was killed by Cole seeks revenge. The A.D.A lures one of Leo 's charges revealing his true identity. Cole embraces his demonic side completely to kill Saks. To being Cole 's humanity back he strips his powers. Meanwhile, Paige encourages Piper and Leo to test their readiness to become parents. 75 9 `` Muse to My Ears '' Joel J. Feigenbaum Krista Vernoff December 13, 2001 ( 2001 - 12 - 13 ) 4301075 4.5 Phoebe, Paige, and Piper must stop warlocks who are enslaving the world 's muses to use their divine creative inspiration for evil. In the midst of the assault, Cole becomes testy about Phoebe 's rebuffing his marriage proposal and is concerned that without his demonic powers he can no longer protect the love of his life. 76 10 `` A Paige from the Past '' James L. Conway Daniel Cerone January 17, 2002 ( 2002 - 01 - 17 ) 4301076 3.4 With Leo as her guide, Paige goes back in time to her teenage years, in an attempt to resolve her feelings about the accident that killed her parents. Meanwhile, Piper must prevent ghosts, who have inhabited Phoebe 's and Cole 's bodies, from fulfilling their mission. 77 11 `` Trial by Magic '' Chip Scott Laughlin Michael Gleason January 24, 2002 ( 2002 - 01 - 24 ) 4301077 4.1 While serving on jury for a murder trial, Phoebe has a premonition that reveals the defendant is innocent despite the overwhelming evidence against him. As she desperately stalls in the jury room, Piper, Paige, and Leo frantically try to discover the real killer in time to free the wrongly accused man. 78 12 `` Lost and Bound '' Noel Nosseck Nell Scovell January 31, 2002 ( 2002 - 01 - 31 ) 4301078 3.9 When Paige discovers that an 11 - year - old runaway named Tyler is a Firestarter Witch, she whisks him to the manor for safekeeping, but soon discovers that his foster parents are demonic bounty hunters who are trying to take him to a Demon Academy where he will become a bodyguard for The Source. Meanwhile, Phoebe is given Grams ' wedding ring by Cole, but to their surprise the ring has been cursed to transform the wearer into a traditional 1950s suburban housewife. 79 13 `` Charmed and Dangerous '' Jon Pare Alison Schapker & Monica Breen February 7, 2002 ( 2002 - 02 - 07 ) 943A55 4.7 The Source breaks an age - old agreement between good and evil by stealing The Hollow, an ancient vapor which he uses to absorb Piper and Paige 's powers. Meanwhile, Phoebe must allow Cole to help them, despite her having a premonition involving Cole sacrificing his life to save her from evil, but there may be more to the premonition that Phoebe can not see. 80 14 `` The Three Faces of Phoebe '' Joel J. Feigenbaum Curtis Kheel February 14, 2002 ( 2002 - 02 - 14 ) 4301080 4.7 Phoebe develops a case of cold feet over marrying Cole and casts a spell which brings a young innocent Phoebe and an old cynical Phoebe to the Manor to help her make a decision. Meanwhile, while Cole is horrified to find that The Source is now taking over his entire being, The Source 's chief rival, who believes that he is dead, is convinced by the Seer to kill the Charmed Ones in order to earn the allegiance of the entire Underworld. 81 15 `` Marry - Go - Round '' Chris Long Daniel Cerone March 14, 2002 ( 2002 - 03 - 14 ) 4301081 4.5 As Phoebe prepares for her wedding day, she is completely unaware that The Source has taken over Cole 's body. Meanwhile, when the Seer tells Cole that if he can marry Phoebe in a `` dark way '', it will insure that their future son will be the most powerful, evil being ever. 82 16 `` The Fifth Halliwell '' David Straiton Krista Vernoff March 21, 2002 ( 2002 - 03 - 21 ) 4301082 4.8 Paige, who feels like a fifth wheel among her happily married sisters and their husbands, becomes firmly convinced that Cole is still evil. Cole, the new Source, and the Seer secretly plot to impregnate Phoebe. Meanwhile, the sisters try to save a columnist as Cole tries to get Paige out of the way through his demonic contacts in The Underworld. 83 17 `` Saving Private Leo '' John Behring Daniel Cerone & Doug E. Jones March 28, 2002 ( 2002 - 03 - 28 ) 4301083 3.9 When two ghosts from Leo 's past return to seek revenge, Leo faces his demons by submitting, causing Piper 's life to be threatened, and leaving Paige to deal with the situation. Meanwhile, Cole tries to convince Phoebe they need a home of their own. 84 18 `` Bite Me '' John T. Kretchmer Curtis Kheel April 18, 2002 ( 2002 - 04 - 18 ) 4301084 3.6 A Vampire Queen tries to dethrone Cole as ruler of The Underworld and attempts to turn Paige against her sisters by turning her into a vampire. Meanwhile, Phoebe begins to feel under the weather and gets surprising news. 85 19 `` We 're Off to See the Wizard '' Timothy Lonsdale Alison Schapker & Monica Breen April 25, 2002 ( 2002 - 04 - 25 ) 4301085 4.2 Phoebe tells Piper and Paige that she is pregnant, and that Cole is the father. Meanwhile, Piper and Paige team up with a wizard to stop the coronation of the new Source, unaware that it is Cole and Phoebe is soon to be his Queen of the Underworld. 86 20 `` Long Live the Queen '' Jon Paré Krista Vernoff May 2, 2002 ( 2002 - 05 - 02 ) 4301086 4.7 Phoebe accepts her new role in Cole 's life, but she still sets out to save an innocent after she has a premonition and even seeks her sisters ' help in protecting the man. Meanwhile, Piper 's heart does n't seem to be in it as she prepares to defend her family against any new threats from The Underworld. 87 21 `` Womb Raider '' Mel Damski Daniel Cerone May 9, 2002 ( 2002 - 05 - 09 ) 4301087 5.0 The Seer plans to steal Phoebe 's unborn baby so she can raise the child to become the next Source and prevent the throne from passing on to another demon. Meanwhile, the baby begins to take over control of Phoebe 's body, which proves dangerous to Paige. 88 22 `` Witch Way Now ? '' Brad Kern Brad Kern May 16, 2002 ( 2002 - 05 - 16 ) 4301088 5.2 When the Angel of Destiny offers the sisters a chance to relinquish their powers and lead normal lives as a reward for vanquishing the Source of All Evil, their decision is put on the back burner. The sisters try to avoid an FBI agent who has them under surveillance, while also dealing with Cole 's calls for help, who is trapped in another realm, holding onto his love for Phoebe. Meanwhile, Piper finds out that she is pregnant. Notes Jump up ^ McMahon is only credited for the episodes he appears in. Jump up ^ Gregory is only credited for the episodes he appears in. Reception In 2016, Gavin Hetherington of SpoilerTV ran a series of Charmed articles in the run - up to the 10th anniversary of the series finale. The fourth was a complete season review of season four, in which Gavin comments that the season was certainly different to season four with the introduction of Paige following Prue 's death. He said that Paige 's introduction `` made sense '', and that `` the pace goes a little quick here. '' He concludes that it is one of the good seasons of the show, and especially complimented Rose McGowan 's portrayal of Paige. References Jump up ^ `` Tv Ratings : Thursday October 4, 2001 ''. TvTango. Archived from the original on 2014 - 03 - 28. Jump up ^ `` Tv Ratings : Thursday October 11, 2001 ''. TvTango. Jump up ^ `` Tv Ratings : Thursday October 18, 2001 ''. TvTango. Jump up ^ `` Tv Ratings : Thursday October 25, 2001 ''. TvTango. Jump up ^ `` Tv Ratings : Thursday November 1, 2001 ''. TvTango. Jump up ^ `` Tv Ratings : Thursday November 8, 2001 ''. TvTango. Jump up ^ `` Tv Ratings : Thursday November 15, 2001 ''. TvTango. Jump up ^ `` Tv Ratings : Thursday December 13, 2001 ''. TvTango. Jump up ^ `` Tv Ratings : Thursday January 17, 2002 ''. TvTango. Jump up ^ `` Tv Ratings : Thursday January 24, 2002 ''. TvTango. Jump up ^ `` Tv Ratings : Thursday January 31, 2002 ''. TvTango. Jump up ^ `` Tv Ratings : Thursday September 22, 2002 ''. TvTango. Jump up ^ `` Tv Ratings : Thursday February 14, 2002 ''. TvTango. Jump up ^ `` Tv Ratings : Thursday March 14, 2002 ''. TvTango. Jump up ^ `` Tv Ratings : Thursday March 21, 2002 ''. TvTango. Jump up ^ `` Tv Ratings : Thursday March 28, 2002 ''. TvTango. Jump up ^ `` Tv Ratings : Thursday April 18, 2002 ''. TvTango. Jump up ^ `` Tv Ratings : Thursday April 25, 2002 ''. TvTango. Jump up ^ `` Tv Ratings : Thursday May 2, 2002 ''. TvTango. Jump up ^ `` Tv Ratings : Thursday May 9, 2002 ''. TvTango. Jump up ^ `` Tv Ratings : Thursday May 16, 2002 ''. TvTango. Jump up ^ Hetherington, Gavin ( April 23, 2016 ). `` Charmed -- 10th Anniversary Special -- Season 4 Review : `` Bring Back My Sister. Bring Back the Power of Three. '' ``. SpoilerTV. Retrieved April 24, 2016. External links List of Charmed season 4 episodes at the Internet Movie Database List of Charmed season 4 episodes at TV.com Charmed at epguides.com Charmed Awards and nominations Series Episodes Season 1 5 6 7 8 Comics and novels and short stories Season 9 10 Characters Prue Halliwell Piper Halliwell Phoebe Halliwell Paige Matthews Darryl Morris Leo Wyatt Cole Turner Billie Jenkins Coop Henry Mitchell Kyra Barbas Christy Jenkins Episodes `` Something Wicca This Way Comes '' `` All Hell Breaks Loose '' `` Charmed Again '' `` Forever Charmed '' Other media Board games Merchandise Video game Music `` How Soon Is Now ? '' The Soundtrack The Book of Shadows Related topics Power of Three Book of Shadows Magical beings Charmed ( 2018 TV series ) Category : Charmed ( TV series ) Retrieved from `` https://en.wikipedia.org/w/index.php?title=Charmed_(season_4)&oldid=853990799 '' Categories : Charmed ( TV series ) Charmed ( TV series ) episodes 2001 American television seasons 2002 American television seasons Talk Contents About Wikipedia Български Français Italiano Nederlands Português Русский Slovenčina Edit links This page was last edited on 8 August 2018, at 06 : 34 ( UTC ). Text is available under the Creative Commons Attribution - ShareAlike License ; additional terms may apply. By using this site, you agree to the Terms of Use and Privacy Policy. Wikipedia ® is a registered trademark of the Wikimedia Foundation, Inc., a non-profit organization. About Wikipedia

Question: what episode did piper find out she was pregnant
Answer: "Witch Way Now?"