The Big Bang Theory cast joined Stephen Colbert from one of their last get-togethers for awhile.

Jim Parsons, Johnny Galecki, Kaley Cuoco, Simon Helberg, Mayim Bialik, Melissa Rauch and Kunal Nayyar got a chance to get some things off their chests and asked each other questions they never dared to previously — anonymously.

Apparently in 12 years, no one ever saw Kaley Cuoco look at a script!  Watch the interview now.