The 100th episode of "Glee" is almost here and it's going to be full of memories and nostalgia.
The two-part episode will feature performances of old Glee favorites as the gang and a bunch of old friends return to bid farewell to the Glee club. Among those returning to McKinley High are April Rhodes (Kristin Chenoweth), Holly Holiday (Gwenyth Paltrow), Quinn, Brittany, Mercedes, Puck and Mike Chang.
Looking back on the very best days of "Glee," these are the finest performances from this week's returning characters:
"Glee" airs Tuesday at 8 p.m. ET on Fox.