As Gary nears the end of a lonely prison sentence in space, he encounters a cute green alien and the vicious interstellar bounty hunters on his tail.
When a bounty hunter locates Mooncake aboard the Galaxy One, Avocato volunteers to help Gary hunt him down before he informs the Lord Commander.
Gary and Avocato try to find a safe refuge for Mooncake, but run into trouble. Quinn attempts to determine the cause of the gravitational disturbance.
After a reunion with Quinn, Gary tries to impress her by attempting to harvest energy from a dying star and restart the Galaxy One's hacked engines.
As the gravitational disturbance becomes more powerful, Gary, Quinn and Avocato's investigation leads them to a bizarre bioluminescent planet.
After receiving a message from Avocato's son, Gary and Avocato head off on a mission to rescue him. Quinn finally sees all the vlogs Gary sent her.
As Gary's prison sentence ends, he tries to help Little Cato, who's out for revenge. An unexpected visitor shakes things up on the Galaxy One.
Desperate to close the breach in the universe before Earth is destroyed, Gary and the crew turn to a Titan who inhabits a realm between dimensions.
When Gary and Quinn travel to New York in search of an antimatter bomb that can save Earth, they receive help from an unexpected ally.
Gary and the crew engage in an epic battle with the Lord Commander's forces to determine the final fate of Earth and the universe.