The Abandoned Artifact of the Absentee Aliens

The Abandoned Artifact of the Absentee Aliens is the 2nd episode of The Epic Tales of Captain Underpants in Space!

Synopsis
Dr. Shifty Fitzgibbons reveals he lied to the crew because Dupe Licitous discovered a alien spaceship, and he wants the kids to get it and fly it back to Earth. But if the ship is activated, it will start a war between the Biglyans and the Littleites.

Trivia

 * This episode takes place after The Senseless Torment of the Space Toilet.
 * This is the first appearance of the Biglyans, Squorg and Garg.
 * Melvin surprisingly can rap extremely fast.