In the Hall of the Gumm-Gumm King Trollhunters : Season 2 Episode 13
TV-Y7 (FV) Netflix 23m
Aired: December 15th, 2017 @ 12:00 AM EST on Netflix
A monumental loss carries a warning from beyond the grave as Gunmar marches for Heartstone Trollmarket. Can the team pull together to save the day?
