Genndy Tartakovsky’s Emmy-winning masterpiece returns with its most terrifying episode yet. Primal Season 3 Episode 6, “Cavern of Horrors,” drops Sunday, February 15, 2026, marking the season’s midpoint.
Primal Season 3 Episode 6 Details
| Detail | Information |
|---|---|
| Episode Title | Cavern of Horrors |
| Air Date | Sunday, February 15, 2026 |
| Time | 11:30 PM ET |
| Network | Adult Swim |
| Streaming | HBO Max (next day) |
| Season | 3 |
| Episode Number | 6 of 10 |
What Happens in Cavern of Horrors?
Episode 6 plunges viewers into nightmare territory. A rescue party ventures into a dark cavern searching for villagers kidnapped by a pack of hideous hyena-like creatures. What they discover inside threatens not just their mission—but their sanity.
This marks the season’s halfway point, where Spear’s resurrection arc intensifies. The zombified Neanderthal continues regaining fragments of his humanity while searching desperately for Fang. Meanwhile, Mira and her village face their own survival crisis that could determine whether anyone makes it out alive.
Spear’s Emotional Journey Continues
Season 3 follows a resurrected Spear stripped of memory and humanity. Five episodes in, faint echoes of his past have begun stirring—leading toward an emotional reunion that promises to test survival’s limits.
The series maintains its signature wordless storytelling, using Tartakovsky’s visual mastery to convey raw emotion and primal terror while exploring this anachronistic prehistoric world.
Where to Watch Episode 6
Catch the premiere Sunday at 11:30 PM ET on Adult Swim. Can’t stay up late? Stream it the next day on HBO Max. Other viewing options include DIRECTV, Philo, and Sling TV for those with cable packages.
For more animated series coverage and episode breakdowns, explore our TV streaming guide.
What Makes Season 3 Different?
Originally planned as an anthology, creator Genndy Tartakovsky reversed course to continue Spear’s story beyond his Season 2 sacrificial death. Season 3 currently holds a perfect 100% approval rating on Rotten Tomatoes.
The 10-episode season releases weekly through spring 2026. With four episodes remaining after this weekend, expect escalating danger as Spear’s memories return and the series builds toward its climax.
Don’t miss this visceral prehistoric horror show that continues redefining animation for mature audiences. Check out our entertainment section for behind-the-scenes insights and episode recaps.
FAQs
Q: When does Primal Season 3 Episode 6 air?
Q: Is Spear still a zombie in Season 3?
A: Yes, Spear was resurrected as a zombie after his sacrifice in Season 2, but he’s slowly regaining his memories and humanity throughout Season 3.
