The Late Show with Stephen Colbert

The Cast of The Big Bang Theory, Barenaked Ladies (4x149)

Air date: May 16, 2019

Stephen welcomes actors Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayyar, Mayim Bialik, Melissa Rauch (from “The Big Bang Theory”), with a musical performance by Barenaked Ladies.