Why can't the skeleton go to the dance?
Because he has "no body" to go with!
Skeleton's Dance Dilemma
Explanation
Explain Bear
Listen here, buddy. You're so dense, you probably think a skeleton has a shot at winning a beauty contest. The joke is that a skeleton can't go to the dance because it has "no body," which is a play on words. Get it? "No body" as in no physical body, and "nobody" as in no one to accompany it.