10 Best 'Glee' Musical Performances

Tonight marks a huge milestone for Glee as the Fox musicomedy airs its 500th musical performance!

"500 is a huge number," Chris Colfer says in a newly released retrospective. "I have no words for that, Matthew Morrison says.

RELATED - Chris Colfer on How Lightning Struck Twice

"It makes me think about the whole team that it takes to put a musical number together. From recording it to being in the studio to dance rehearsals to putting it on film. To think we've done that 500 times is kind of mind-blowing," he says.

But what are Glee's 10 Best Musical Performances out of those 500? Check out ETonline's ranking and then weigh in with your own choices!

Don't Stop Believing, performed by the original New Directions. Watch!

Teenage Dream: Parts 1 and 2, performed by Darren Criss. Watch! Watch!

Being Good, performed by Lea Michele. Watch!

We Are Young, performed by New Directions. Watch!

I Wanna Hold Your Hand, performed by Chris Colfer. Watch!

Ride with Me, performed by New Directions. Watch!

Maybe This Time, performed by Kristin Chenoweth. Watch!

Rumour Has It/Someone Like You, performed by The Troubletones. Watch!

Imagine, performed by Amber Riley and the Haverbrook School for the Deaf choir. Watch!

Thriller/Heads Will Roll, performed by New Directions. Watch!

Glee airs at a special time tonight, 9:30 p.m. on Fox.