Return of the Xenomorphs Part 1: Rise of the Flood is the 29th episode of Season 1 and is the first part of the Season 1 Finale.
One day, the riders are asked to help out with a mission to an unknown planet that was recently colonized, as several of the inhabitants have gone missing. But on this planet an old enemy returns but this time, they have friends. More dangerous than themselves.
- The storyline continues in Return of the Xenomorphs Part 2: Terror of Fear
- This marks the first appearance of The Flood, Gabby, WALL-E, EVE, and Horson
- The Xenomorphs return in this episode