Oscar Shorts Finder

The Box is a 1967 American independent animated short film directed by Fred Wolf about an old man with a mysterious box. The film is a dialogue-less cartoon with a minimalist soundtrack by jazz drummer Shelly Manne.
— Wikipedia

What on Earth! (French: La Terre est habitée!) is a 1966 National Film Board of Canada animated short co-directed by Les Drew and Kaj Pindal. The film is a mockumentary, introduced in its opening credits as produced by the "National Film Board of Mars" that takes a humorous look at car culture from the point of view of fictional Martians, who mistake automobiles for Earth's true inhabitants and people as their parasites.
— Wikipedia