2x15 - Sexy

Recurring Cast:

• Harry Shum Jr. as Mike Chang
  
  
• Chord Overstreet as Sam Evans
  
  
• John Stamos as Carl Howell
  
  
• Ashley Fink as Lauren Zizes
  
  
• Darren Criss as Blaine Anderson
  
  
• Dot-Marie Jones as Shannon Beiste

Guest Stars:

• Gwyneth Paltrow as Holly Holiday

Holly Holiday returns and has been assigned to become a sex education teacher. Holly also begins dating Will.

Will will savor making Emma jealous with Holly, just as Emma made Will jealous.

Will and Holly will kiss, and it will irk Emma

Terri is back.

Apparently Brittany and Santana get together in this episode. Holly Holiday sets it up. Source "The series will start to explore Santana (Naya Rivera) and Brittany's relationship on a deeper level. "A lot of my stuff is getting generally serious in a way," Heather Morris says. "We just got a new script. ... Santana and Brittany don't want to talk about it because they're in high school, but Brittany wants to talk about it because she has a boyfriend. Ryan Murphy really wanted to do that for the fans because all of the fans were like, 'Why did you have them make out and not do anything else?'" But don't expect more lip-locking anytime soon, Morris says."

Brittany has a baby scare with Artie. Source She also finds out that babies don't come from storks.

Santana confesses her feelings to Brittany but Brittany doesn't understand what Santana is trying to say. Source Meanwhile, Holly convinces Santana to open up to her bisexuality.

Holly tries to get Rachel and Finn back together, its implied that she succeeded.

Rachel and Finn have been confirmed to reunite by the end of Season 2. Could it be in this episode? Confirmed by Nicole Crowther via Twitter.

Lea recorded a "classic 80's tune".

John Stamos recorded a song.

Carl meets Holly Holiday.

A scene was filmed where Holly is teaching sex-ed using a condom and cucumber. Its been described as a funny scene.

Holly gives Mike a zucchini to practice putting condoms on, while Tina gets a banana.

Finn finds out that women cannot get pregnant from the hot tub. This ties into the lie Quinn first told Finn when she mentioned she was pregnant. Finn gets a bit mad because of this.

Emma becomes the faculty adviser for the celibacy club.

Burt Hummel will be appearing in this episode.

Despite the rumours, according to the press release this episode does not feature Karofsky which means Born This Way is not part of this episode.