Title: Lost Girl
Content:  after its premiere), with the episodes order afterwards increased to 22 episodes; a third season on December 9, 2011; a fourth season on February 28, 2013; and a fifth on February 27, 2014. On August 25, 2014, Showcase announced that the fifth season would be the last, with the original 13-episode order increased to 16 final episodes. The series' finale episode aired on October 25, 2015. In Australia, Lost Girl premiered on Sci Fi Australia on July 14, 2011. In the United Kingdom and Ireland, it premiered on Syfy (UK) on September 1, 2011. In the United States, it premiered on Syfy on January 16, 2012.
Title: Lost Girl
Content:  on September 1, 2011, and returned for Season 2 on January 12, 2012, followed by Season 3 on April 23, 2013, and Season 4 on January 16, 2014. Due to a drop in ratings, the series was moved from 10 p.m. to 9 p.m. effective February 5, 2014. The series premiered on Syfy in the United States on January 16, 2012, after Syfy purchased the rights to Seasons 1 and 2 from Prodigy Pictures on May 18, 2011. Syfy aired both seasons back-to-back, with Season 1 ending on April 9, 2012 and Season 2 starting on April 16, 2012. Season 3 premiered on January 14, 2013. Season 4 premiered on January 13, 2014, with the time slot changed from its normal 10 p.m. schedule to 8 p.m., but returned to 10 p.m. on January 27, 2014, with "Lovers. Apart.".
Title: Lost Girl (season 3)
Content:  See Lost Girl (season 4)
Title: Lost Girl
Content:  The series premiered in Australia on July 14, 2011, on Sci Fi, with Season 2 returning on February 23, 2012, and Season 3 on SF (formerly Sci Fi) on January 10, 2013. After SF ceased operations in December 2013, Lost Girl was left without a premiere network in Australia. Free-to-air network SBS2 thereafter acquired the rights to Seasons 1-3 of the series. Season 1 aired on October 1, 2013; Season 2 on September 29, 2014. (Season 3 has not aired as of this writing.) In 2015, Stan, a new streaming service, offered Season 4 in its entirety at its launch on January 25, 2015, and later premiered the first half of Season 5 on February 28, 2015, and the second half of Season 5 on September 7, 2015. In the United Kingdom and Ireland, the series premiered on Syfy 
Title: Lost Girl
Content:  Midway through Season 3, Showcase announced the renewal of Lost Girl for a fourth season on February 28, 2013, citing consistent delivery of "stellar ratings" and a "cornerstone series" for the network. Later on the same day, Syfy announced it had renewed Lost Girl for a fourth season containing thirteen episodes, and premiering in 2014. On May 31, 2013, Prodigy Pictures and Showcase announced that filming had begun on thirteen episodes for Season 4, with an expected premiere in Fall 2013; followed with a start of production announcement by Syfy on June 4, 2013. Showcase announced its 2013 Fall schedule on July 11, 2013, with 
Title: List of Lost Girl episodes
Content:  States, it premiered on Syfy on January 16, 2012, after Syfy purchased the rights to the first 26 episodes from Prodigy Pictures Inc. on May 18, 2011. Total episode running time is 44:00 minutes, including opening title sequence and fade to black closing credits roll. Episodes broadcast on Syfy in the United States were 90 seconds shorter to allow for more commercial advertisement time. Starting with Season 3, 30 seconds that would have otherwise been cut from the Syfy episodes were preserved by substituting the original opening title sequence with opening credits superimposed over the first scene of each episode.
Title: List of Lost Girl episodes
Content:  season on November 12, 2010 (two months after its premiere), and the episodes order afterwards increased to 22 episodes; a third season on December 9, 2011; a fourth season on February 28, 2013; and a fifth on February 27, 2014. On August 25, 2014, Showcase announced that the fifth season would be the last, with the original 13-episode order increased to 16 final episodes and the season divided into two parts. In Australia, Lost Girl premiered on Sci Fi Australia on July 14, 2011. In the United Kingdom (UK and Ireland), it premiered on Syfy on September 1, 2011. In the 
Title: Lost Girl
Content:  Showcase renewed Lost Girl for a second season on November 12, 2010, announcing "record-breaking ratings" and the "number one scripted series for Adults 25–54 across all specialty channels" in Canada. Production on thirteen episodes for Season 2 began on May 17, 2011, with filming taking place at a Toronto soundstage and at locations in and around the city until September 22, for a targeted Fall 2011 premiere. On May 18, 2011, Syfy (U.S.) announced that it had acquired 26 episodes (Season 1 and Season 2) of Lost Girl from Prodigy Pictures. Showcase announced in a July 7, 2011, press release that the Season 2 premiere would be on September 4, 2011, and that an additional nine episodes had been ordered to make the season a total of 22 episodes. The order for more episodes was made public two weeks before the first appearance of Lost Girl cast and producers at San Diego Comic-Con International.
Title: Lost Girl (season 4)
Content:  Midway through Season Three, Showcase announced the renewal of Lost Girl for a fourth season on February 28, 2013, citing consistent delivery of "stellar ratings" and a "cornerstone series" for the network. Later on the same day, Syfy announced it had renewed Lost Girl for a fourth season containing thirteen episodes, and premiering in 2014. On May 31, 2013, Prodigy Pictures and Showcase announced that filming had begun on thirteen episodes for Season Four, with an expected premiere in Fall 2013; followed with a start of production announcement by Syfy on June 4, 2013. Showcase announced its 2013 Fall schedule on July 11, 2013, 
Title: Lost Girl (season 2)
Content:  Showcase renewed Lost Girl for a second season on November 12, 2010, announcing "record-breaking ratings" and the "number one scripted series for Adults 25-54 across all specialty channels" in Canada. Production on thirteen episodes for Season Two began on May 17, 2011, with filming taking place at a Toronto soundstage and at locations in and around the city until September 22, for a targeted Fall 2011 premiere. On May 18, 2011, Syfy (U.S.) announced that it had acquired 26 episodes (Season One and Season Two) of Lost Girl from Prodigy Pictures. Showcase announced in a July 7, 2011, press release that the Season Two premiere would be on September 4, 2011, and that an additional nine episodes had been ordered to make the season a total of 22 episodes. The order for more episodes was made public two weeks before the first appearance of Lost Girl cast and producers at San Diego Comic-Con International 2011. On December 12, 2011, Syfy announced the United States debut of Lost Girl on January 16, 2012. Season Two premiered on April 16, 2012 (one week after the finale episode of Season One).

Question: how many seasons are there for lost girl?
Answer: 5.
five.