Ranked #1 of 10 in Season 3•+0.8 vs season avg
Spear is caught in an epic battle to appease the bloodlust of the Black River People.
Aaron LaPlante
Spear (voice)
Genndy Tartakovsky
Writer
Genndy Tartakovsky
Director
Genndy Tartakovsky
Storyboard Artist
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"An Echo of Eternity" is episode 10 of Primal season 3. It scored 9.1/10 from 802 votes, ranking #1 of 10 episodes this season (season average 8.3). Directed by Genndy Tartakovsky and written by Genndy Tartakovsky, it aired on March 15, 2026.
