Episode 1: Everything's Changed
2025-06-0522 min
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.
Season guide
LEGO DREAMZzz Season 3 — Episodes and Where to Watch
20 episodes · first aired 2025-06-05
TMDB does not provide a season overview.
Episode guide
Episode 2: Join the Club
2025-06-0522 min
After a fight about the Dream Smasher, Z-Blob and Mateo each try to find new friends in the Dream World and Waking World.
Episode 3: Whack Race 2025
2025-06-0522 min
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.
Episode 4: Dreamocracy
2025-06-0522 min
Dream Smasher's popularity continues to grow, and Izzie tries to join his team as a sidekick — leaving Mateo and the Dream Chasers behind.
Episode 5: Freak-quencies
2025-06-0522 min
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.
Episode 6: InterFEARence
2025-06-0522 min
Stranded and separated in a dangerous dream space, the gang must find a way to wake up. Meanwhile, Dr. Oswald confronts an old friend.
Episode 7: Lunia
2025-06-0522 min
In the Waking World, Mateo, Izzie and the Dream Chasers rush to learn about the origins of Lunia's amazing powers.
Episode 8: Moving On Top
2025-06-0522 min
Mateo and Izzie try to trick Claudius into spilling the details of his plan while Happy App takes over the school.
Episode 9: Brainstorm
2025-06-0522 min
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.
Episode 10: Boxed In
2025-06-0522 min
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.
Episode 11: The Happy App Trap
2025-08-0122 min
The Berlin Bright Bureau receives a mysterious package with new goggles to help them become more efficient dream chasers, but at what cost?
Episode 12: Mission: Ungoggle-Able
2025-08-0122 min
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!
Episode 13: D-Shock
2025-08-0122 min
The gang flees to the wilds of Central Park where they plan their next move against the Brain, and also receive an unexpected visitor.
Episode 14: Robot Fight Club
2025-08-0122 min
When our heroes infiltrate the Happy App building to disrupt production they find themselves thrust into a robot fight club where they must compete!
Episode 15: Fish Out of Water
2025-08-0122 min
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.
Episode 16: Cyber Drain
2025-08-0122 min
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.
Episode 17: School Spirit
2025-08-0122 min
Nova sends out an S.O.S. that has the dream chasers rushing to her rescue and straight into a trap!
Episode 18: The Undreamt
2025-08-0122 min
Our heroes have no choice but to ask The Undreamt to help them in their fight against D-Shock and the Happy App.
Episode 19: Missing Pieces
2025-08-0122 min
Working with the dangerous UNDREAMT, our heroes must use its creative chaotic energy to try and bring life back to the unsaturated dream world.
Episode 20: Outside the Box
2025-08-0122 min
Dream chasers are faced with the Brain's Final Protocol, to box the dream world for all of eternity.
Series, season and episode metadata is supplied by TMDB. No season-specific provider claim is made on this page.