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
skit
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)
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.
A traditional Japanese comedy play is called "kyōgen." It is often performed as a short interlude between acts of the more serious Noh theater. Kyōgen features humorous dialogue and situations, typically involving everyday characters and their comedic interactions. The performances emphasize exaggerated gestures and physical comedy, making it accessible and entertaining for audiences.
screen play
Folley
A play on the multiple meanings of a word is called a pun. It is a form of wordplay that exploits homophones, similar-sounding words, or the different meanings of a single word for humorous or rhetorical effect.
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.