Ranked #9 of 10 in Season 3•−0.3 vs season avg
Spear's world shatters when he's shunned by everyone and finally realizes what he has become.
Aaron LaPlante
Spear (voice)
David Krentz
Writer
Genndy Tartakovsky
Director
David Krentz
Storyboard Artist
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"Heart of the Undead" is episode 7 of Primal season 3. It scored 8.0/10 from 563 votes, ranking #9 of 10 episodes this season (season average 8.3). Directed by Genndy Tartakovsky and written by David Krentz, it aired on February 22, 2026.
