Naomi Watts; Allison Williams; Gin Wingmore

Tonight's guests are Matt Damon, Matt Damon and musical guest Matt Damon... After 10 years of "my apologies to Matt Damon; we ran out of time", Matt Damon finally hijacks tonight's episode of "Jimmy Kimmel Sucks!" and introduces his own Guillermo, his own band leader as well as musical performer, and brings along quite a few surprise star guests.