Dragon Ball Z - Season 4 Episode 25 -

Bulma arrives on the scene to discover that Android 20 is Dr. Gero himself. The insane scientist fires an energy blast that sends Bulma flying so he can activate Androids 17 and 18. After saving his young mother and younger self, Trunks follows Vegeta to stop him from facing the Androids head as the others find Gero's laboratory before he does, but will they make it?