Heart of the Undead

Spear's world shatters when he's shunned by everyone and finally realizes what he has become.

Aired: Feb 22, 2026 Genre: Action & Adventure AnimationCasts: Aaron LaPlanteCreated By: Genndy TartakovskyProducers: David Krentz Genndy TartakovskyDuration: 22m Rating: 7.3 Country: France, United States of America Production: Studio La Cachette, Williams Street, Cartoon Network Studios

Seasons

Season 1 Season 2 Season 3 Season 4

Episodes

01: Vengeance of Death 02: Kingdom of Sorrow 03: Feast of Flesh 04: Prey for the Wicked 05: The Dead Cast No Shadow 06: Cavern of Horrors 07: Heart of the Undead 08: The River of Life 09: The Hollow Crown 10: An Echo of Eternity