The Book of Monsters - Part 2 is the second episode of the first season of Nexo Knights. It first aired on December 13, 2015.
Realizing they must defend the Kingdom from Jestro's monsters, the Knights are despondent when they discover their advisor – Merlok the Magician – has sacrificed himself to save them.
- Nexo Power: Dragon of Justice
- This episode aired as part of LEGO Day on Cartoon Network on December 13, 2015.