Season 1

1. Wakaki Shishi-tachi no Tanjo

1979-10-13 • 25 min

2. Episode 2

1979-10-13 • 25 min

3. Episode 3

1979-10-13 • 25 min

4. Episode 4

1979-10-13 • 25 min

5. Buru Noa Minami Kudasu!

Colin and his surviving classmates make it to the N-1 island where they find the mysterious Thundersub.

1979-10-20 • 25 min

6. Sangosho Kyushutsu Sakusen

After launching the Thundersub, the thunder-team find a downed Cuban fighter pilot then launch their first attack on the Gotham.

1979-11-03 • 25 min

7. The Secret of Gotham Base

1979-11-10 • 25 min

8. Gotham's Terraforming Plan

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.

1979-11-17 • 25 min

9. Adam and Eve of the South Seas

Colin and Domingo break into the death force base to rescue the enslaved human survivors.

1979-11-24 • 25 min

10. Burning Southern Cross

1979-12-01 • 25 min

11. Attack That Tower!

Colin and Capilla escape from the island with their lives before being rescued by the Tempest Junior.

1979-12-08 • 25 min

12. Hurricane of Love and Anger

Kapilla and Tara try to appeal to Captain Noah to return them to Gypsy Atol.

1979-12-15 • 25 min

13. Detour of Decision

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.

1979-12-22 • 25 min

14. Vow to Tomorrow

Captain Noah and the Thundersub team devise a plan to attack the Deathforces orbital elevator.

1979-12-29 • 25 min

15. Tara, Her Love

The Thundersub returns to the gypsy atoll island to aid Kapila and Tara after receiving an S.O.S from them.

1980-01-05 • 25 min

16. Crimson Tide Hell of Fear

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.

1980-01-12 • 25 min

17. Thrilling! The Dummy Strategy

After arriving at Antarctica, the Thunder team take refuge inside an iceberg for much needed recovery.

1980-01-19 • 25 min

18. First Report from Bermuda

1980-01-26 • 25 min

19. First Report from Bermuda

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.

1980-02-02 • 25 min

20. Showdown in the Abyss

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.

1980-02-09 • 25 min

21. The American Channel Breakthrough Strategy

1980-02-16 • 25 min

22. Amazon Surprise Strategy

1980-02-23 • 25 min

23. 48 Hours in Bermuda

Colin assumes command of the Tempest Jr after Skipper Grogen sacrifices himself to save tempest team from incoming Danger.

1980-03-01 • 25 min

24. Now, to Space

1980-03-08 • 25 min

25. Gotham's True Colors

1980-03-15 • 25 min

26. Gotham, Where To Go

1980-03-22 • 25 min

27. Earth, Forever!

After its completion for space travel, the Thundersub team begin their mission to combat the death force from outer space.

1980-03-29 • 25 min