The company Happy App and a new hero arrive in town. Later, Mateo helps Sneak get rid of a creepy cake in the Grim Realm.
After a fight about the Dream Smasher, Z-Blob and Mateo each try to find new friends in the Dream World and Waking World.
Zoey and Mateo race to decide who's the fastest delivery rider only to realize their old Dream World enemy, Claudius, works at Happy App.
Dream Smasher's popularity continues to grow, and Izzie tries to join his team as a sidekick — leaving Mateo and the Dream Chasers behind.
After a dangerous night in the Dream World, Mateo and Zoey go to find Claudius at Happy App HQ and learn he's been promoted.
Stranded and separated in a dangerous dream space, the gang must find a way to wake up. Meanwhile, Dr. Oswald confronts an old friend.
In the Waking World, Mateo, Izzie and the Dream Chasers rush to learn about the origins of Lunia's amazing powers.
Mateo and Izzie try to trick Claudius into spilling the details of his plan while Happy App takes over the school.
Dr. Oswald and the team devise a plan to get inside the Dream Smasher's hideout, which he believes is inside the Dream World's mysterious new sun.
Stuck in Dream Smasher's brain base, Mateo and Z-Blob bust out of prison to track down their pals and the hourglass before it's too late.
The Berlin Bright Bureau receives a mysterious package with new goggles to help them become more efficient dream chasers, but at what cost?
Mateo, Izzie, Zoey, and Cooper are unwilling participants in a sleep study at Happy App Headquarters, and it's up to the others to break them out!
The gang flees to the wilds of Central Park where they plan their next move against the Brain, and also receive an unexpected visitor.
When our heroes infiltrate the Happy App building to disrupt production they find themselves thrust into a robot fight club where they must compete!
As the team goes to investigate an area of the dream world that scares the Brain, Zoey falls into a strange dimension and an even stranger adventure.
After playing a video game that mimics their lives, the dream chasers visit the Cyber Realm to learn how to beat the final boss and defeat Happy App.
Nova sends out an S.O.S. that has the dream chasers rushing to her rescue and straight into a trap!
Our heroes have no choice but to ask The Undreamt to help them in their fight against D-Shock and the Happy App.
Working with the dangerous UNDREAMT, our heroes must use its creative chaotic energy to try and bring life back to the unsaturated dream world.
Dream chasers are faced with the Brain's Final Protocol, to box the dream world for all of eternity.