Ep. 1: Conan battles a giant shark in underwater ruins while soldiers kidnap a girl named Lana.
Aired on April 4, 1978

1
Conan engages a massive 10,000-pound shark within the submerged ruins of a village near Remnant Island. He defeats the creature by stabbing it with a harpoon and drags the carcass to the beach. Shortly after, a young girl named Lana washes ashore and receives aid from Conan and his grandfather. Two soldiers from Industria arrive in a hydroplane and abduct Lana. During the confrontation, Conan's grandfather sustains fatal injuries while attempting to launch a missile at the attackers.
Episodes
- Ep. 1 · Conan battles a giant shark in underwater ruins while soldiers kidnap a girl named Lana.
- Ep. 2 · Conan builds a boat to rescue Lana after his grandfather dies from injuries sustained during the failed rescue attempt.
- Ep. 3 · Conan befriends wild boy Jimsy on an island targeted by the plastic-collecting Baracuda
- Ep. 4 · Conan and Jimsy endure punishment to remain on the ship bound for Industria.
- Ep. 5 · Conan imprisoned after attacking Mosley, escapes to find Lana in Industria