Androids Saga
After peace returns to Earth with the defeat of Freeza, a new danger approaches. A mysterious young man called Trunks appears from the future and warns Goku and the Z Warriors about the imminent arrival of two powerful androids created by the scientist Dr. Gero, a former member of the Red Ribbon Force who seeks revenge against Goku. The androids called 17 and 18 wiped out almost all of humanity in Trunks' future.
All Episodes
S4 E1: The Heavens Tremble
S4 E2: Black Fog of Terror
S4 E3: Battle in Kami's Lookout
S4 E4: Fight With Piccolo
S4 E5: Call for Restoration
S4 E6: Suicidal Course
S4 E7: Extreme Measures
S4 E8: The World Awakens
S4 E9: Brief Chance for Victory
S4 E10: Krillin's Proposal
S4 E11: Frieza's Counterattack
S4 E12: The Mysterious Youth
S4 E13: Another Super Saiyan?
S4 E14: Welcome Back Goku
S4 E15: Mystery Revealed
S4 E16: Goku's Special Technique
S4 E17: Z Warriors Prepare
S4 E18: Goku's Ordeal
S4 E19: The Androids Appear
S4 E20: A Handy Trick
S4 E21: Double Trouble for Goku
S4 E22: Upgrade to Super Saiyan
S4 E23: The Secret of Dr. Gero
S4 E24: More Androids?!
S4 E25: Follow Dr. Gero
S4 E26: Nightmare Comes True
S4 E27: Goku's Assassin
S4 E28: Deadly Beauty
S4 E29: No Match for the Androids
S4 E30: Last Ditch Effort
S4 E31: Closing In
S4 E32: Unwelcome Discovery