Continuity mistake: During their fight at Autobot city, Megatron throws a rock at Optimus like a spear. Before he throws it it, looks big in his hands, but when it hits Optimus it looks quite smaller and fatter. Then Optimus pulls it out and it's back to the right size again.

Transformers: The Movie (1986)
Ending / spoiler
Directed by: Nelson Shin
Starring: Frank Welker, Eric Idle, Leonard Nimoy, Judd Nelson, Orson Welles, Michael Bell, Jack Angel, Norman Alden
More mistakes in Transformers: The Movie More quotes from Transformers: The Movie More trivia for Transformers: The MovieMore questions & answers from Transformers: The Movie
Quintesson judge: Before the Imperial Magistrate delivers his verdict, would you like to beg for your lives? It sometimes helps - but not often.
Trivia: Even though Starscream was killed in the movie, he came back in two later TV episodes as a ghost. He also appeared in one Beast Wars episode.
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Answer: Go-Bots were transforming-vehicle toys from around the same period, competition for (or rip-off of, depending on your opinion) the Transformers.
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