The Rangers on board their ship, the Terra Venture, do battle with various bad guys in this compilation of several episodes from the television series.

It's triple the trouble when Trakeena teams up with Olympius to steal all of Earth's power. Their plan? To capture humans and use them as an energy source to give Trakeena more power than she's ever had before. No one will be able to defeat her! Not even the Lightspeed Rescue Power Rangers! The world's only hope - a small girl named Heather. It's up to her to find the courage and heart to stop Trakeena in her tracks. Can she do it or will time run out? And who are the mysterious visitors from the distant planet Mirinoi? Could the Lost Galaxy Power Rangers be back on Earth?

The Magna Defender arrives on Terra-Venture, in search of the Lights of Orion: a source of power that would give its possessor an advantage over their enemies... Who'll be victorious - Scorpious, the Magna Defender, or the Power Rangers of the Lost Galaxy?!!

Dr. Oliver is captured and held prisoner in Mesogog's lair, leaving the Rangers wondering what to do. The history of the Power Rangers is revealed to them and they find that they have an ally in an unlikely person.