Heart of Darkness: Part 1
Season One, Episode Nineteen
Kaijudo - Episode 19
Air date October 27th, 2012
Written by Marty Isenberg
Directed by Gary Hartle
Episode guide
Duel Hard
Darkness of Heart: Part 2

Heart of Darkness: Part 1 is the 19th episode of season 1 in the Kaijudo: Rise of the Duel Masters series.


Following the incident in the last episode, Allie leads an expedition into the Darkness Civilization to rescue her father Arthur Underhill. The group endures a series of attacks that take a heavy toll as they make their way to the stronghold of the Dark Lord Megaria, Empress of Dread.

New Creatures


  • Scott Wolf - Raiden Pierce-Okamoto
  • Dee Bradley Baker - Reef Prince Glu-urrgle, Master Jaha, Arthur Underhill
  • Grey DeLisle - Master Nadia Lobachevsky
  • Phil LaMarr - Gabriel Wallace, Slyth
  • Rachel Robinson - Megaria
  • Freddy Rodríguez - Master Hector Chavez
  • David Sobolov - Tatsurion the Unchained
  • Kari Wahlgren - Allison Underhill, Piper Underhill