Papelucho, who has always been fascinated by aliens, decides to catch one and sets a trap. Amazingly it succeeds, and the lost Martian child Det ends up living through Papelucho, with hilarious consequences. The two build a spaceship and travel to Mars, only to escape back to Earth again after the Great Leader of Mars threatens to eat them. Det eventually takes over the body of Papelucho's dog, Choclo, but when Choclo's health is put at risk Papelucho has a difficult decision to make.
Unfortunately the movie Papelucho y el marciano is not yet available on Disney Plus.
| Production | Juan Diego Garretón | Producer |
| Production | Juan Diego Garretón | Executive Producer |
| Production | Ignacio Arriagada | Executive Producer |
| Camera | Carlos Salinas | Director of Photography |
| Production | Sebastián Freund | Executive Producer |
| Writing | Arif Ali Shah | Writer |
| Writing | Marcela Paz | Novel |
| Directing | Alejandro Rojas | Director |
