"Put on your helmets, we'll be reaching speeds of 3!" "It was nice of you to give that dead woman another chance." "All right, look alive everybody...oh sorry Susan."- MST3K: Space Mutiny Click Here (facebook.com)
Apparently the gag is that for the longest time Kimmel ends the show by saying something like "Our apologies for not having enough time for Matt Damon", implying he got bumped. Also, this was crazy funny.