Z (dub) Episode 134 - Dragon Ball

This episode is often cited by fans as the moment the threat level shifts from Dr. Gero’s "energy absorption" models to the far more powerful and unpredictable "infinite energy" models that Trunks feared. Android 18 fight that follows? Goodbye Doctor Gero! - Dragon Ball Z Episode 134 Reaction

Against Gero's final warnings, Android 18 activates a third, mysterious machine: Android 16 . Trunks attempts to destroy the lab with a massive energy blast to prevent this, but the androids emerge completely unharmed. Dragon Ball Z (Dub) Episode 134

Dr. Gero is eliminated by his own creation, Android 17. This episode is often cited by fans as

This episode marks the first appearance and activation of Android 16 . Goodbye Doctor Gero

" The Ultimate Weapon " (Funimation/Toonami). Saga: Part of the Android Saga (Season 4).

The trio of androids decides to ignore the Z Fighters for the moment, setting their sights on their primary objective: finding and killing Goku .

Trunks, having arrived at the lab, identifies these as the ruthless androids from his future timeline. Despite Gero's threats to deactivate them, Android 17 destroys the remote control and subsequently kills Dr. Gero , decapitating and crushing his head.