The Subspace Emissary

The Subspace Emissary is the seventy-eighth episode of Ben 10: The Omniwars and the eighteenth episode in the fourth season.

Plot
The two villains find a mysterious space fleet which contains the most powerful subspace energy.

Characters

 * Ben Tennyson
 * Sarth Starth

Villains

 * Phil Billings
 * Searscorch