Ben 10 Omniverse – Season 1 5.8
Other Name: Ben 10: Omniverse
Summary: The series follows the continuing adventures of sixteen-year-old Ben Tennyson and his new partner, a rookie by-the-book alien plumber named Rook Blonko. Together they explore a secret alien city, known as Undertown beneath the city of Bellwood. Meanwhile, a mysterious hunter, known as Khyber, sets his sights on Ben!