03/16/2011 09:24 am ET Updated May 25, 2011

On Fallon, Pee-wee Herman Sneaks Into Ted Danson's Interview (VIDEO)

It was hard to put a finger on why Jimmy Fallon decided to do Ted Danson's interview entirely in the dark Tuesday night, but this clip might explain it. Fallon turned on the lights following his first "blackout interview" only to find that Pee-wee Herman had snuck onto the set and sat on the couch, scaring Danson and Fallon half to death.

Herman came by to promote his new Broadway show, but found time during his brief appearance to make a crack about Danson and Fallon:

"I can't believe I'm sitting next to my two favorite people: Ryan Seacrest and Dick Van Dyke!"