Future Boy Conan - Season 1 - Eps 18: Gunboat
Conan saves Lana from Industria's soldiers but gets knocked out; Lana manages to hide him before she gets captured and taken aboard the gunboat. Industria occupies High Harbor, and Orlo is installed as a puppet governor. To deprive them of their only means of support, Conan and Gil, the only villager to escape, prepare to sink the gunboat with explosives. But after planting the charge, Conan learns that Lana is aboard and boards the vessel to retrieve her, but ends up captured. After tricking the crew into taking him out of his cell, the charge detonates, sinking the ship and allowing Conan to rescue Lana from her cell.
About Future Boy Conan

Title: Future Boy Conan
First Air Date: 1978-04-04
Last Air Date: 1978-10-31
Status: Ended
Rating: 8.4/10 (from 190 votes)
Language: JA
Seasons: 1
Total Episodes: 26
Network: NHK G
Genres: Animation, Action & Adventure, Sci-Fi & Fantasy, Family, Comedy, Drama
Production Companies: NHK, Nippon Animation
Synopsis
After the great disaster of 2008, a war that destroyed the planet, the world is now largely ocean with the continents having sunk. Conan lives on a remote island with his grandpa and nature, never having seen another human being. But one day a mysterious girl, Lana, washes up on his beach. The two become quick friends, but she’s soon kidnapped and taken to Industria, a technological remainder from the world before. Conan leaves his island in pursuit, braving new lands and many hardships with new friends and enemies just beyond the horizon.
Cast

Noriko Ohara
Conan (voice)

Mieko Nobusawa
Lana (voice)

Kazuyo Aoki
Jimsy (voice)

Ichiro Nagai
Captain Dyce (voice)

Rihoko Yoshida
Monsley (voice)

Masato Yamanouchi
Dr. Bliack Lao (voice)

Iemasa Kayumi
Lepka (voice)

Takuzō Kamiyama
Dongoroth (voice)

Masatô Ibu
Narrator (voice)

Sho Saito
Meizel (voice)