Synopsis by Hal Erickson
The "revived" Frieza conspires with his father King Cold to destroy the earth. The Z-Fighters mount a counter-offensive against the villains, but this time it may not be enough. Meanwhile, a mysterious lone warrior makes the first of several strange appearances. "Mysterious Youth" was first broadcast in Japan on December 4, 1991. The episode was released on home video in America for another nine years, as part of DragonBall Z's "Trunks Saga."