When a giant worm attacks Vista Verde, Hulk blames himself for the destruction and joins the mole men to stay out of trouble.
When an inactive volcano erupts, the team travel to the Savage land in Antarctica to investigate.
When Smokescreen is captured by the Decepticons, he uses the opportunity to find out the location of the Omega Key. Will this help him locate the other stolen keys?
Megatron and Dreadwing head to Cybertron hoping to harness the power of the Primes by activating the Forge of Solus Prime. With their plan set in motion, the Decepticons hope to destroy Optimus Prime and the line of Primes forever.moreless
Bulkhead is faced with life-threatening danger during the last relic hunt.
The Decepticon Warship threatens humanity, and Raf, Jack and Miko are the only ones who can stop it.
M.E.C.H. unveils their latest creation: Nemesis Prime, an evil twin clone version of Optimus Prime.
Wheeljack returns to Earth in pursuit of Skyquake's twin, the Seeker known as Dreadwing. Wheeljack is still upset over Dreadwing's involvement in the death of fellow Wrecker Seaspray.While Bulkhead is naturally excited about seeing his best friend again, Optimus Prime quickly becomes frustrated with Wheeljack's aggressive ways and complete disregard for civilians.moreless
Optimus Prime rebels against Megatron and the Autobots try to get their leader back.
After being the victim of a celebrity roast, Batman battles Ra's al Ghul. Meanwhile, Justice League International and Justice Society meet for the first time, but their generational differences threaten to destroy the gathering.moreless
After a team up with Space Ghost and his companions, Batman must come to the aid of three of his fellow superheroes, who have fallen into the icy clutches of Mr. Freeze. As they wait to be rescued, Green Arrow, Plastic Man, and Aquaman remember how they first met the Caped Crusader.moreless
Batman goes looking in the Amazon for a missing Ray Palmer, the scientist who was once the Atom. When Batman also disappears, Aquaman recruits Ray's successor, Ryan Choi, to help him find the Caped Crusader and the Tiny Titan.moreless
During a battle between Bulkhead and Breakdown, Breakdown is captured by Silas and his M.E.C.H. agents so they can dissect him to better understand Cybertronian biology. Figuring Megatron won't mount a rescue for a fellow Decepticon, Optimus Prime assembles his team to do so, much to Bulkhead's shock. Initially, he refuses to help his archenemy, but Miko convinces Bulkhead to go, so he can get a long awaited rematch against him. Bulkhead is first to find Breakdown and the two must work together to escape the savage M.E.C.H.moreless