Watch Ninjago: Operation Heavy Metal Online
The Vermillion continue their operation: Heavy Metal, stealing metal from Ninjago. Read More
Watch Ninjago: Operation Heavy Metal online. Featuring Brian Dobson and Kathleen Barr, Ninjago: Operation Heavy Metal has 1 seasons and 4 episodes in total. It is available for streaming online in the UK It is classified as genre series and the average rating across the web is 10. The TV series was first aired on 2017. Read Less