'Glee': Watch Ricky Martin Get Sexy (Video)

The pop star leads New Directions in a rousing cover of LMFAO's "Sexy and I Know It" in Tuesday's "The Spanish Teacher" episode.
Adam Rose/FOX

Gleeks, prepare to meet Ricky Martin's Glee alter ego David Martinez.

In Tuesday's "The Spanish Teacher" episode, Martin guest stars as a sexy Spanish teacher who meets Matthew Morrison's Will Schuester after the McKinley teacher's Spanish skills come into question.

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"He inspires me to do a Latin Week on Glee," Morrison told The Hollywood Reporter last month. "The kids end up loving him as a teacher so I have to have an Español-off to regain my Spanish teacher pride."

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And what a Latin Week it will be, judging from the clip below in which Martin leads New Directions in a high-octane performance of LMFAO's "Sexy and I Know It."

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Check out the clip below and hit the comments with your thoughts on who has the best moves in the clip. Our vote? Finn with that Axl Rose-inspired snake move.

 Martin's Glee episode airs Tuesday at 8 p.m. on Fox.

Email: Lesley.Goldberg@thr.com; Twitter: @Snoodit