"The Primal Theory," the fifth episode of Genndy Tartakovsky's Primal season two, serves as a unique thematic departure by featuring English dialogue and shifting focus to 1890s England, skipping the main characters Spear and Fang. The episode explores the concept of innate human savagery as a group of Victorian scientists revert to primal behavior to survive a violent attacker, highlighting the series' core philosophy of survival. Read the full analysis at The Primal Theory - Wikipedia .