Fatty's Tintype Tangle is a 1915 American comedy short film directed by and starring Roscoe "Fatty" Arbuckle. The two-reel film follows Fatty, a man who, frustrated by his mother-in-law's constant nagging, leaves home and sits on a park bench. There, a photographer captures a picture of him sitting beside a married woman, which leads to conflict when her husband becomes jealous.

Plot

Fatty becomes fed up with his mother-in-law's constant nagging and leaves his home in frustration. While drinking on a park bench, a photograph is taken of him with a woman sitting beside him. When Edgar, the woman's husband, sees the photo, he becomes intensely jealous. Fearing confrontation, Fatty decides to leave the city temporarily, telling his wife he will be on a business trip for several months. During his absence, his wife moves in with her mother and rents their house to Edgar and his wife. Upon Fatty's return, he is surprised to find Edgar residing in his home.