Robotboy 1x13 Brother - Trakt

Robotboy wants a family of robots, and when he finds out he has a brother called Protoboy he goes to Kamikazi's lab to find him. But soon he finds out he's evil.

Robotboy Season 1 - Trakt

Protoboy, Robotboy Wiki

Robotboy - Brother Bjorn and Attack Of The Killer G-Men, Season 1, Compilation

Robotboy, The Sidaba Bunch Wiki

Robotboy: All Episodes - Trakt

Robotboy 1x13 Brother - Trakt

Robotboy: All Episodes - Trakt

Robotboy - Door To Door and Brother, Season 1, Compilation

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Robotboy Season 1 - Trakt

Robotboy Season 1 - Trakt

Protoboy, Robotboy Wiki