- Country: USA
- Genres: Comedy, Short
- Release: 1932-11-05
- Director: George Marshall
- Writers: Oliver Hardy , Stan Laurel , James Parrott
- Language: English
- Stars: Stan Laurel , Oliver Hardy , Mae Busch , Billy Gilbert , Marjorie Campbell , George Marshall
- Runtime: 21 min
- Awards: N/A
- AKA: Sua Primeira Falta (Brazil) , Helan och Halvan i Fosterpappor (Sweden) , Their First Mistake (United States of America) , Adoptivbarnet (Denmark) , Neuvottomat neropatit (Finland) , Their First Mistake (Canada) , Laurel et Hardy bonnes d'enfant (France, French Republic) , Prima lor greşeală (Romania) , Un'idea geniale (Italy) , Their First Mistake (Mexico) , Helan och Halvan som barnjungfrur (Sweden) , Stan si Bran au un copil (Romania) , Their First Mistake , O Primeiro Engano (Brazil) , Noi e il piccolo Slim (Italy) , Их первая ошибка , Miten lasta hoidetaan? (Finland) , Ihr erster Fehler (Germany) , Fosterpappor (Sweden) , Rådlösa geniknölar (Finland) , Bonnes d'enfants (France, French Republic) , Barnvakten (Sweden) , Pobre angelito! (Spain)
- Plot: Mrs. Hardy is irate that her husband Oliver spends more time with his friend Stanley than with her. Oliver decides to adopt a baby, hoping that it will keep his wife occupied so that he and Stanley can continue to carouse. But upon returning home with the infant, they find a process server with a divorce summons, and spend a sleepless night caring for the squalling baby.
- IMDB:tt0023578
Their First Mistake Cast · · · ALL
George Marshall
Director
Stan Laurel
Stan
Oliver Hardy
Ollie
Mae Busch
Mrs. Arabella Hardy
Billy Gilbert
Process server
Marjorie Campbell
Adopted Baby
George Marshall
Neighbor