Ransik sends Commandocon back through time to recover the companion piece to the Quantum Ranger powers, the Quantasaurus Rex Zord. Wes, while trying to convince his former school chum to turn over the Quantum Morpher to the Time Force team, hitches a ride with Eric when he follows the mutant back to prehistory. Their rivalry has to be put aside in order for them to survive against an angry T-Rex, and an impending volcanic eruption! (thetvdb.com)