Hidden Gems (2005–06)

== 2005 ==
# The stickers on Big Bird's suitcase reference the places he's been: Montana, Puerto Rico, China and Hawaii.
# Miss U dance a beautiful ballet called Geometry of Circles. (Every Time one Turns Around)
# A music cue from "Proud to Be a Cow" is used when Bo Peep's cow first appears.
# Baby Bear's "King Size Crayons" box depicts the Alligator King holding a large crayon. (Bees, Bees, Bees)
# Joan Ganz Cooney and Lloyd Morrisett's names appear on Leela's basket and watering can.
#Megan Mullally plays with toys, including Monty Swell doll.
# Mr. Johnson's menu from Hooper's features an image from the "Ladybugs' Picnic" cartoon, advertising the "Ladybugs' Picnic Special."
# An ad for "Jim Henson's Puppet Workshop" appears in the laundromat window, complete with an image of him.
# Chris's newspaper features an image of Kevin Clash and a headline reading "Clash Unabashed by the Red Smash."
# Caroll Spinney makes a cameo in Hooper's Store, reading "Grouch Out New York" magazine.
# Leela reads a book about Placido Flamingo, written by Richard Hunt. Cameraman Frank Biondo can also be seen in Hooper's Store reading PAPARAZZI magazine with executive producer Carol-Lynn Parente on the cover.
# Luis pulls the Miss O's Teeny Little Super Guy from inside the broken washing machine. The music score even samples his theme song.
# Forgetful Jones makes a cameo during Maria and Luis's flashback.
#Patrick's Jumpin' Jive Film at the movies.
# Gordon's newspaper features a headline that reads "Baker Falls From Grace" and features an image of the baker after a fall down the stairs. His newspaper also features a headline about Sam the Robot.
# During the freckle chase scene, music inspired by the "Dot Bridge" segments from 1969 is played and A box of Nutri-Dots cereal is marked with a "Biondo's" brand logo.
# Alexis von Hoffman, Sally Stone, Susan Garland, Carolyn Hallissey as Five Onstage Dancers. (Episode 596: Ooops!)
== 2006 ==
# Jon Stone's face is seen on an advertisement for "Jon's Pencil Emporium."
# Martin P. Robinson makes a cameo, selling the cookies to the kids.
#John Pattison gets his shoes shined.
# At the beginning, Chris and Elmo hum the tune from the "Willie Wimple" cartoons as they arrive at the campsite at the park.
#the camera looks at Vanessa Fox's feet, Vanessa Fox's toes just seems like Martian Beauty.
# Bip Bippadotta appears in the Laundromat during the race and utters, "Mah Na Mah Na." Frank Biondo's caricature Frankie is seen selling official Squirmadega t-shirts at the race.
# Biff and Sully are seen in the crowd during Jack and Jill's Big Jump. Also in the crowd is Richard Termine, who is seen taking pictures of the event, and writer Belinda Ward.
# As Chris makes some peanut butter and jelly sandwiches, he is heard singing "Peanut Butter".
# Sherlock Hemlock (Victor Yerrid) makes a cameo in Hooper's Store. Jerry Nelson, as well as Herry Monster (Noel MacNeal) and Mr. Johnson (Martin P. Robinson) appear as well.
# Elmo's crayon box reads "The Classic Crayon Factory", and has a still from the show's classic Sesame Street film. Maria's newspaper features an image from the I-Beam film.
#Paul Lawrence and his son, John, Sally Stone and her niece Patricia are seen playing at the Playground.
# Maria's scrapbook contains many, old Sesame Street photos, including Gabi's birth, She and the Letter People and a visit from James Earl Jones. Additionally, Maria sings "I'm Proud to Be a Cow" while she makes her scrapbook.
# Harvey Kneeslapper makes a cameo at the end of the Street Scene to slap a "7" on the seal's beach ball.
# Gordon is seen reading a book called "Dialogue with Dirt" by Solomon Grundy.
# John and Cheryl Henson are seen playing catch in the arbor with Cheryl's two daughters, Declan and Elizabeth. Telly refers to Cheryl by name in the same scene.
# The store next to the subway displays a "Store for Rent" sign, as well as one for "Northern Realty" (with an image of Calloway on it).