Tour of the Universe

This is the article about the episode; for the event see Tour of the Universe (Event)

Plot
All the Plumbers in Bellwood are waiting for the arrival of the space train from the Tour of the Universe, leaving Plumber HQ open for attack.

Characters

 * Ben Tennyson
 * Rex Salazar
 * Rook Blonko
 * Gwen Tennyson
 * Kevin Levin
 * Max Tennyson
 * Cooper Daniels (first re-appearance; cameo)
 * Helen Wheels (first re-appearance; cameo)
 * Rook Da
 * Rook Bralla (cameo)
 * Rook Shi (cameo)
 * Rook Shim (cameo)
 * Rook Shar
 * Young One
 * Alan Albright (first re-appearance; cameo)
 * Manny Armstrong (first re-appearance; cameo)
 * Molly Gunther (first re-appearance; cameo)
 * Plumber Jerry (first re-appearance; cameo)
 * Tack (first re-appearance; cameo)
 * Hobble (first re-appearance; cameo)
 * Train Captain (first appearance)

Villains

 * Driscoll
 * Michael Morningstar
 * Vreedle Brothers

Aliens Used

 * TBA