Deliberate mistake: In the end sequence, when the joyous Valley of the Wind people run past Yuppa and the old woman to welcome back Nausicaä among the living, the same group(s) of people are seen twice running from the right to the left.
Nausicaä of the Valley of the Wind (1984)
1 mistake
Directed by: Hayao Miyazaki
Starring: Sumi Shimamoto, Goro Naya, Hisako Kyoda, Mahito Tsujimura
Commando: That's Lord Yupa. Kill him and you'll be famous.
Trivia: Nausicaä's flyer, the Mehve, was the inspiration for the Japanese OpenSky Project, which intends to built a similar one-man flight device.