The Power of Merlok Nexo Knights : Season 1 Episode 3
TV-Y7 (FV) Cartoon Network
Aired: January 13th, 2016 @ 7:45 AM EST on Cartoon Network
When Jestro and the Book of Monsters start using their monsters to ravage the countryside, the Knights get an awesome new HQ to fight him, the mighty, powerful Rolling Castle known as the Fortrex.
