Watch! Rachel and Tina's Full Performance of "Flashdance (What a Feeling)" in Glee Season 3, Episode 20: "Props" (VIDEO)
Glee Season 3, Episode 20, "Props," won't air until next Tuesday, May 15, 2012, but you can already watch the full performance of Rachel and Tina's duet of "What a Feeling" from '80s cult classic Flashdance.
Original airdate: Tuesday, May 15, 2012, at 8pm on Fox
