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8 Episodes 1981 - 1981
Episode 1
Sat, Sep 12, 198120 mins
The wizard Skullus and his soldiers are enslaving villagers living in a ruined oil refinery and using them to attack the fortress of his enemy, another evil wizard named Octagon.

Episode 2
Sat, Sep 19, 198120 mins
Thundarr, Princess Ariel, and Ookla are captured while helping an escaped slave by robots working for the multi-eyed wizard Lord Argoth who wants Ariel as his bride.
Episode 3
Sat, Sep 26, 198120 mins
The trio investigate a sector called the Mystery Zone where several ships get wrecked on an island. They learn the evil witch Circe is behind it all. She needs a young sorceress to overcome a curse in which she will turn to stone if she leaves the island. When Ariel appears, Circe ceases the opportunity as she switches bodies with Ariel and becomes a threat to the others as she tries to leave the island.

Episode 4
Sat, Oct 3, 198120 mins
The evil wizard Sarott loses a battle against Thundarr and finds the miniaturized City of Thieves in a research lab. Its ruler Vortak promises Sarott a free rein to use the city's advanced army to enslave humans and other wizards if he can restore it to normal size. To do so, he'll need the Gauntlet of Power which can boost his magic to enlarge the city.

Episode 5
Sat, Oct 10, 198120 mins
Thundarr, Ookla, and Ariel are after Janus. He and a race of hawk mutants attack villages and the train route of Tye. The group is baffled when it turns out Janus is actually Gemini, the two-faced wizard in disguise seeking revenge.

Episode 6
Sat, Oct 17, 198120 mins
During a battle with a supposed wizard with unusual magic named Yando, Thundarr is struck by red negative lightning which significantly diminishes the power of his Sunsword. The weapon can be restored at the nearby Pool of Power, but it is stolen by Yando who craves the Sunsword's power for himself.
Episode 7
Sat, Oct 24, 198120 mins
Thundarr's friend Thorac is accused of stealing a village's fuel and is about to be boiled alive over a geyser when the barbarian rescues him. Thorac is granted a reprieve when Thundarr and the group investigate the crime. They find out that the town's sheriff Korb is in league with the evil wizard Artemus. Artemus had stolen the fuel to power his Death Ship and gain the approval of the Council of Wizards.
Episode 8
Sat, Oct 31, 198120 mins
Thundarr, Princess Ariel, and Ookla battle Vashtarr, an evil wizard who steals the Crystal of Prophecy that can give the details of his downfall. When it shatters in his efforts to retrieve it, the prophecy is foretold as they learn three women will unite to defeat him. Maya, an element-shifter buried in the ruins of the old city of Endorr. Cinda, a hermitic barbarian living in the Canyon of Death whose staff grants her great strength. And Valerie Storm, a fashion model from Old Earth who is abducted and taken prisoner by Vashtarr himself.