Prisoner Zero is an Australian animated children's sci-fi, action-adventure series produced by Planet 55 Studios, part of the Big Finish group of companies.
These four friends have a mission to free those enslaved across the cosmos from the evil Imperium, led by General Vykar.
The series follows two teen heroes, Tag and Gem, with their friend, the title character Prisoner Zero.
In a previous incarnation, executive produced by Austen Atkinson, Robert Firth portrayed Del Rev in 4 episodes.
Gem Coll: a feisty 14-year-old girl who stole the ship Rogue from Cav Anaton.
He is the son of a prominent Imperium family and often acts like a spoiled brat, but his hacking genius has helped the crew on multiple occasions.