Plot: The Vermillion continue their operation: Heavy Metal, stealing metal from Ninjago.
Ninjago: Operation Heavy Metal
First Episode Aired On:
Tuesday, May 23 2017
7 years ago
Tuesday, May 23 2017
7 years ago
Last Episode Aired On:
Tuesday, May 30 2017
7 years ago
Tuesday, May 30 2017
7 years ago
Number of seasons: 1 (4 episodes)