Complex sentence: Actor Blaine Horton, who reprised his role as Sasha, a gay friend of Jenna Maroney's, first appeared as the character in the Season 2 episode "Secrets and Lies".
Split into simpler sentences: Actor Blaine Horton reprised his role as Sasha, a gay friend of Jenna Maroney's, in this episode. Horton first appeared as the character in the season two episode "Secrets and Lies".