Season 2 Episode 4

full size Mr. Schue Assigns Mercedes and Santana a Duet in Episode 2.4, "Duets"
Credit: Michael Yarish/FOX © 2010 Fox Broadcasting Co.

Title: Duets
Air Date: October 12, 2010 at 8:00 PM PDT

In "Duets," the glee club members work on a duet assignment. Co-captains Finn and Rachel plan to throw the competition in favor of new recruit Sam Evans, and a love triangle develops between Mike, Tina, and Artie. The best part? We finally see Mike sing! Read the full recap here.