Key to Thundera

While trying to figure out a way to read the Book of Omens, Lion-O tries looking through the sword at the book. He is immediately drawn into the book, where a voice asks him if he has ""the key."" Lion-O says he doesn't, and four dragon heads appear and shoot fire at him. Snarf, who saw Lion-O get sucked into the book, tries to show Cheetara what happened, and he too gets sucked in. Mumm-Ra, who also watched Lion-O get sucked in, goes to cats lair and takes the book so he can destroy it with Lion-O inside. Meanwhile, just by coincidence, Panthro finds an odd looking key on Thundera. He and Tygra head back to Third Earth with the key, not knowing what it's for. Back on Third Earth, Mumm-Ra is just about to boil the book when Lion-O calls for the sword, and it brings him and Snarf back outside. Mumm-Ra takes the sword and looks through it at the book, and he gets sucked in! But Lion-O has to save him because of the code of Thundera, and Lion-O does save him. Panthro and Tygra arrive with t

Writing:
  • Theodore Walter Wolf

Stars:
Release Date: 1985-01-23
Seasons: 1 2 3 4
TMDb: 8.2/10
  • Country: US, JP
  • Language: English
  • Runtime: 22

Other episodes for this season

ThunderCubs (1)
Episode 1 - ThunderCubs (1)
ThunderCubs (2)
Episode 2 - ThunderCubs (2)
ThunderCubs (3)
Episode 3 - ThunderCubs (3)
ThunderCubs (4)
Episode 4 - ThunderCubs (4)
ThunderCubs (5)
Episode 5 - ThunderCubs (5)
Totem of Dera
Episode 6 - Totem of Dera
The Chain of Loyalty
Episode 7 - The Chain of Loyalty
Crystal Canyon
Episode 8 - Crystal Canyon
The Telepathy Beam
Episode 9 - The Telepathy Beam
Exile Isle
Episode 10 - Exile Isle
Key to Thundera
Episode 11 - Key to Thundera
Return of the ThunderCubs
Episode 12 - Return of the ThunderCubs
The Formula
Episode 13 - The Formula
Locket of Lies
Episode 14 - Locket of Lies
Bracelet of Power
Episode 15 - Bracelet of Power
The Wild Workout
Episode 16 - The Wild Workout
The Thunderscope
Episode 17 - The Thunderscope
The Jade Dragon
Episode 18 - The Jade Dragon
The Circus Train
Episode 19 - The Circus Train
The Last Day
Episode 20 - The Last Day