Pool Sharks (1915)

Pool Sharks (also sometimes known as The Pool Shark) is a 1915 silent short film. The film is notable for being the film acting and writing debut of W. C. Fields and also features early instances of stop-motion animation during a game of pool.

Plot summary
Following a standard style of the era, the film is a romantic slapstick comedy short. Fields and his rival (played by Bud Ross) vie over the affections of a woman (played by Marian West). When their antics get out of hand at a picnic, it is decided that they should play a game of pool. Both of them are pool sharks, and after the game turns into a farce, a fight ensues. Fields throws a ball at his rival, who ducks. The ball flies through the window and breaks a hanging goldfish bowl, soaking the woman they are fighting over and leaving goldfish in her hair. She storms into the pool hall and rejects both men.

https://en.wikipedia.org/wiki/Pool_Sharks