Season 1
Episode: 1x01 | Airdate: Oct 4, 1980
Thundarr, Princess Ariel, and Ookla escort a man who is carrying a magical black pearl that can defend against the two-faced wizard Gemini and his Groundlings (a race of mutated rat people). The man needs the pearl to protect the inhabitants of the village of "Manhat", which is actually the ruins of Manhattan.
Episode: 1x02 | Airdate: Oct 11, 1980
Episode: 1x03 | Airdate: Oct 18, 1980
Episode: 1x04 | Airdate: Oct 25, 1980
Episode: 1x05 | Airdate: Nov 1, 1980
Episode: 1x06 | Airdate: Nov 8, 1980
Episode: 1x07 | Airdate: Nov 15, 1980
Episode: 1x08 | Airdate: Nov 22, 1980
Episode: 1x09 | Airdate: Nov 29, 1980
Episode: 1x10 | Airdate: Dec 6, 1980
Episode: 1x11 | Airdate: Dec 13, 1980
Episode: 1x12 | Airdate: Dec 20, 1980
Episode: 1x13 | Airdate: Dec 27, 1980
Season 2
Episode: 2x01 | Airdate: Oct 12, 1981
Episode: 2x02 | Airdate: Sep 19, 1981
Episode: 2x03 | Airdate: Sep 26, 1981
Episode: 2x04 | Airdate: Oct 3, 1981
Episode: 2x05 | Airdate: Oct 10, 1981
Episode: 2x06 | Airdate: Oct 17, 1981
Episode: 2x07 | Airdate: Oct 24, 1981
Episode: 2x08 | Airdate: Oct 31, 1981