Trollhunters: Tales of Arcadia Season 3 Episode 7
The Oath
With the future of two worlds at stake, the team races to find Merlin's Tomb -- and the Staff of Avalon -- before Gunmar can get his hands on it.
Guest Stars
Kelsey Grammer
Blinky (voice)
Jonathan Hyde
Mr. Strickler (voice)
Amy Landecker
Barbara Lake (voice)
Tom Kenny
Otto Scaarbach / Additional Voices / Mr. Nuñez
Clancy Brown
Gunmar (voice)