Ben, Gwen, Cooper and Grandpa Max face their last battle ever against the villains they have encountered and they will battle to get the world's most powerful energy source.
The Forever King sets his plan in motion and recruits the most powerful enemies Ben has ever faced in order to steal the world's most powerful energy source.
A murderous ventriloquist dummy finds out that his favorite internal organ is the heart.
When a lab accident transforms Max Dillon into supervillain Electro, he demands that Dr. Martha Connors find a cure as Spider-Man works to stop him.
The boys and Candace hatch a plot to reunite their mom and dad's favorite band for a wedding anniversary concert.
To his disappointment, Hopper wakes up to the same day although the case had been cleared the night before. He decides to take a break for two weeks only to learn the case has become even more mixed up.
While being pursued by the Enforcers, Spider-Man has to protect Norman Osborn from the vengeful supervillain Vulture.
The super-powered members of the Justice League begin disappearing one by one. Only Batman and Green Arrow are left to investigate and discover that old enemies are involved.
While on a mission to rescue the Legion¹s benefactor, R.J. Brande, the heroes find themselves reminiscing about how the Legion was first created by Brande and its founding members: Cosmic Boy, Lightning Lad, and Saturn Girl.
The heroes fight their android counterparts to recover the Justice League's powers, while the Joining prepares for its final assault on Earth.
The Turtles and company continue their training under the Ninja Tribunal, learning to fight in the physical as well as mental and spiritual worlds. They’re going to need that knowledge, because the second artefact of the Shredder has been found, guarded by a horde of nasty Tengu demons that eat Acolytes for breakfast… literally!
When Sari mysteriously disappears, Prowl and Bulkhead go searching for her on Dinobot Island.
Tom and Kaz face Klay and Krystella in a four-way match after trying to scan the Phobia Mask.
After Tom and Kaz defeat Klay and Krystella, the two try to back out of the deal but encounter a creature known as Opto.
Killface and Simon attempt to repair the burnt couplings on the Annihilatrix, while Stan and Taquil attempt an escape from their shot-down plane. Sinn and Val ask Watley to kill Antagone (due to increasing strains on their relationships with Antagone). Meanwhile, Wendell is sent by Xander to kill the giant ant baby. Both Wendell and Watley inadvertently fall in love with Antagone.
More friction arises, this time over Lewis' birthday party. Charlotte takes control and drives Rikki away from the party. However, things go out of hand and it is up to her to save the day.
Kate and Paul discuss her input into his life after discussing Rosie.