Season 1
Episodes
1. Wakaki Shishi-tachi no Tanjo
1979-10-13
No overview available.
2. Episode 2
1979-10-13
No overview available.
3. Episode 3
1979-10-13
No overview available.
4. Episode 4
1979-10-13
No overview available.
5. Buru Noa Minami Kudasu!
1979-10-20
Colin and his surviving classmates make it to the N-1 island where they find the mysterious Thundersub.
6. Sangosho Kyushutsu Sakusen
1979-11-03
After launching the Thundersub, the thunder-team find a downed Cuban fighter pilot then launch their first attack on the Gotham.
7. The Secret of Gotham Base
1979-11-10
No overview available.
8. Gotham's Terraforming Plan
1979-11-17
While heading for Bermuda, Captain Noah and the thunder team discover the death force have enslaved the remaining human survivors of the Gotham invasion and they plan a rescue mission.
9. Adam and Eve of the South Seas
1979-11-24
Colin and Domingo break into the death force base to rescue the enslaved human survivors.
10. Burning Southern Cross
1979-12-01
No overview available.
11. Attack That Tower!
1979-12-08
Colin and Capilla escape from the island with their lives before being rescued by the Tempest Junior.
12. Hurricane of Love and Anger
1979-12-15
Kapilla and Tara try to appeal to Captain Noah to return them to Gypsy Atol.
13. Detour of Decision
1979-12-22
While on their way to the Gilbert islands, the Thunder team discover the death force has constructed an elevator that can reach as high as the terror star.
14. Vow to Tomorrow
1979-12-29
Captain Noah and the Thundersub team devise a plan to attack the Deathforces orbital elevator.
15. Tara, Her Love
1980-01-05
The Thundersub returns to the gypsy atoll island to aid Kapila and Tara after receiving an S.O.S from them.
16. Crimson Tide Hell of Fear
1980-01-12
In an attempt to make repairs to the Thundersub after the attack on the death force orbit elevator, Captain Noah and the thunder team change course to Antarctica.
17. Thrilling! The Dummy Strategy
1980-01-19
After arriving at Antarctica, the Thunder team take refuge inside an iceberg for much needed recovery.
18. First Report from Bermuda
1980-01-26
No overview available.
19. First Report from Bermuda
1980-02-02
The Thundersub crew becomes stricken with food poisoning caused by a red tide. deployed by the death force and Anna and Sarah both try to find the antidote.
20. Showdown in the Abyss
1980-02-09
The Thundersub gets entangled in an anti submarine Net set up by the death force but Anna comes up with an escape plan to get the Thundersub out.
21. The American Channel Breakthrough Strategy
1980-02-16
No overview available.
22. Amazon Surprise Strategy
1980-02-23
No overview available.
23. 48 Hours in Bermuda
1980-03-01
Colin assumes command of the Tempest Jr after Skipper Grogen sacrifices himself to save tempest team from incoming Danger.
24. Now, to Space
1980-03-08
No overview available.
25. Gotham's True Colors
1980-03-15
No overview available.
26. Gotham, Where To Go
1980-03-22
No overview available.
27. Earth, Forever!
1980-03-29
After its completion for space travel, the Thundersub team begin their mission to combat the death force from outer space.