A space explorer, previously thought lost in space, returns to Earth and joins four teenagers in a search for a giant alien robot lion

The Blue Lion delivers the team to an alien planet where they discover a mysterious castle. Inside, they awaken an alien princess who sends them on a mission to find the remaining lions.

The Castle is attacked by an alien battle cruiser. The new Paladins must form Voltron for the first time in 10,000 years.

Princess Allura puts the Paladins through a rigorous training program in hopes of putting aside their differences and working together as a team.

A Voltron-Sized Robot Beast attacks Planet Arus. While Voltron defends the innocent inhabitants, Shiro searches for answers about his lost time as a Galra captive.

When a Galra Commander infiltrates the castle and destroys its power crystal, the team must protect Voltron from falling into the wrong hands.