It's implied here that Frieza was the first one to use Scouters, as he offers them to the Saiyan army as part of their service to he and his father's organizations. But flashbacks in the original Dragon Ball Z anime clearly show that it was the Tuffles (the other race living on Planet Vegeta before the Saiyans wiped them out) who first used them, as a means of identifying their invading foes. See more »
Damn it, watch where you're flying!
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Does not include a post-credits scene. However, the closing credits play over footage of characters featured in the film. See more »