Stephen Colbert and late night hosts strike again as his show nears finale

The Late Show with Stephen Colbert and guests Jimmy Kimmel, Jimmy Fallon, John Oliver, and Seth Meyers during Monday

Stephen Colbert invited his "best television friends," fellow late night hosts John Oliver, Seth Meyers and the two Jimmies— Kimmel and Fallon— to join him, as his final show on CBS is set for May 21.

(Image credit: Scott Kowalchyk)