[s4e8] Ben 10 Vs. Negative 10 Pt. 1 Apr 2026

Ben is forced to fight multiple villains at once, only to realize the Forever King has already bypassed their primary defenses. 💡 Why It Matters

The Negative 10 hunt for the "Sub-Energy," a highly volatile and powerful source stored in Plumber vaults. [S4E8] Ben 10 vs. Negative 10 Pt. 1

The Tennysons retreat to the Plumber HQ inside Mount Rushmore for a final stand. Ben is forced to fight multiple villains at

The episode opens with a high-tech break-in at a Plumber base in Fort Weaver. The episode opens with a high-tech break-in at

Zs'Skayr’s former lackeys (Thumbskull, Acid Breath, and Frightwig). 🛸 Key Moments

The team consists of iconic recurring villains from the previous seasons: The mastermind. Enoch: The secondary Forever Knight leader. Dr. Animo: The twisted geneticist. Kevin 11: (Specifically the mutated version from the Void). Rojo: The cyborg biker. Charmcaster: The powerful sorceress. Clancy: The insect controller.

Forever Knight leader Driscoll (The Forever King) has recruited nine of Ben’s former enemies.