New teacher in town.

Watch Ricky Martin's performance of LMFAO's "Sexy And I Know It" with the kids of New Directions. The episode airs February 7.

Get more Glee season 3 spoilers. Join us on Twitter @soapoperafan, and Facebook. Come tweet and Facebook with us about all soap operas, "Glee," "Grey’s Anatomy," "Vampire Diaries" and "Venice the Series."

- Lori Wilson