Season 1, Episode 17: Bad Reputation
They sang the Thriller/Heads Will Roll mashup in the episode, "The Sue Sylvester Shuffle" (S02E11).
The episode is called "The Sue Sylvester Shuffle" and they sing it at half time in the football game. It's actually a combination of Thriller and Rolling heads. (well, I think it's called rolling heads, or something like that). But if you haven't seen it, its really good
I FOUND IT! I too have been looking for it. Its Season 6 Episode: Sing, Sing, Sing!
L didn't sing in an episode its just the voice you hear
Mr Schuester duetted with April Rhodes in "Alone", "Fire", "One Less Bell To Answer/A House Is Not A Home" Sue Sylvester in "Sing, Sing, Sing (With A Swing)" Rachel Berry in "Endless Love" Bryan Ryan in "Piano Man", "Dream On" Puck in "Over The Rainbow"
Caroline Forbes did sing in the episode "Mystic Grill." She sang Eternal Flame.
they sing total eclipse of the heart in episode 17 bad reputation
There's no such episode.
Episode 4
Kagome sings in chorus on episode 128.
They sang it on the episode called On My Way
In the episode titled "The 200th," which is Season 6, Episode 16 of "The Middle," Axel gives Sue his football jersey. This gesture symbolizes their sibling bond and Axel's support for Sue as she navigates her own challenges. The episode showcases their relationship's growth and the importance of family.