Episode Title:
The Secret of Dr. Gero / More Androids?!.
Episode Description:
Episode 130 The Secret of Dr. Gero: Finally becoming a Super Saiyan, Vegeta easily defeats Android 19, but 20 has escaped to come up with a new plan. Vegeta and the others look for the diabolical Android, but it won't be easy.
Episode 131 More Androids?!: Android 20 grabs Piccolo from behind in order to steal his energy so he can defeat the Z fighters, but Gohan comes to Piccolo's rescue just in time. After eating a Senzu Bean to restore the energy Android 20 stole, Piccolo begins to fight with the Android. Meanwhile, Trunks has returned to the past and has discovered something different about these Androids- he's never seen them before! So where are the Androids he warned Goku about?