A short humorous play is called a farce. It typically involves exaggerated situations, physical comedy, and improbable plot twists to make the audience laugh.
Anecdote
A limerick.
Comedy
A pun is a humorous play on words that exploits multiple meanings of a word or similar-sounding words to create a humorous or clever effect.
A pun is a usually humorous play on words, which depends on the fact that several words can sound the same but have different meanings (ie are homophones)
skit
The short story "Sam the Piano" was written by David LaRochelle. It is a humorous tale about a piano that is stubborn and doesn't want to be moved.
Folley
A scene that is meant to ease the tension in a serious play is called comic relief. It is a humorous interlude that is often used in tragic plays.
screen play
David Gale has written: 'Funny you should ask' -- subject(s): American Humorous stories, American Short stories, Humorous stories, Short stories, Children's stories, American
dag