Episode 1
The Brawl in City Hall
11m
Saving Maddy’s mom when the City Hall security system runs amok, Billy and Maddy find a clue to the City founder’s identity.
Where to watch LEGO City Adventures
TV series
LEGO City Adventures
2019TV-Y74 seasons7.2 / 10
Welcome to LEGO City, a modern metropolis filled with the fiercest firefighters, the cream of the crop cops, and so many Blockheads. Every citizen will assemble together for the most awesomely awesome adventures.
Streaming, rental and purchase options
Where to watch in United States
Checked Sep 2, 2026
LEGO City Adventures is available to stream on Netflix, Peacock, Peacock Premium, Pluto TV, and Tubi in United States. You can also buy it from Amazon. Use the direct links below to open the provider.
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Synopsis
Welcome to LEGO City, a modern metropolis filled with the fiercest firefighters, the cream of the crop cops, and so many Blockheads. Every citizen will assemble together for the most awesomely awesome adventures.
Season 4 episodes
Choose an episode, then use the watch options above for the show.
Episode 2
Who is Ludmilla Ersatz?
11m
With help from the kids, Daisy "Kaboom" Lewis creates an alter ego to take the blame for her past mis-deeds, but two identities prove hard to maintain.
Where to watch LEGO City Adventures
Episode 3
Crisis on Moonbase: Momentous!
11m
Billy must save his astronaut hero when Captain Momentous hallucinates an alien invasion after eating expired astronaut food.
Where to watch LEGO City Adventures
Episode 4
Wreckless Driving
11m
Billy and Maddy must help Stunt Driver Wallop pass a safe driving course, or risk being banned from City streets forever.
Where to watch LEGO City Adventures
Episode 5
A House Divided
11m
Cultures clash when the fire department moves in temporarily with the police department following damage to their station.
Where to watch LEGO City Adventures
Episode 6
The Trojan Slooshie
11m
The Ice Cream Truck Bandits waylay the police force with frozen drinks, giving the officers Glacial Brain Freeze.
Where to watch LEGO City Adventures
Episode 7
Born to Direct
11m
Maddy's filmmaking ambitions go wild when she offers to direct a fire safety video.
Where to watch LEGO City Adventures
Episode 8
The Wexler Deflector Conjecture
11m
Depressed, Dr. Wexler quits science. But when a meteor threatens the City, Billy and Maddy must persuade him back!
Where to watch LEGO City Adventures
Episode 9
Billy to the Maxx
11m
Billy worries he won’t meet his Mom’s expectations when she signs them up for a charity event’s team physical challenges.
Where to watch LEGO City Adventures
Episode 10
The Good, the Bad… and the Turtles
11mmid season
Maddy takes in two lost turtles, unaware that they belong to rivals Sinclair and Fendrich, who believe she's kidnapped them.
Where to watch LEGO City Adventures
Episode 11
Day of the Dread
11m
With their best friends out of town, Maddy and Dread spend the day together and struggle to find common ground.
Where to watch LEGO City Adventures
Episode 12
Mr. Produce Buys the Farm
11m
After buying a farm to grow his own produce, Mr. Produce becomes convinced neighbouring farmers are out to get him.
Where to watch LEGO City Adventures
Episode 13
This Land is Harl's Land
11m
Fendrich and Sinclair forge an unlikely alliance to try and drive Harl off a piece of undeveloped land he owns.
Where to watch LEGO City Adventures
Episode 14
Shirley Overdrive
11m
Shirley Keeper infiltrates the city's underworld to retrieve the secret formula for Vita Rush's new flavour.
Where to watch LEGO City Adventures
Episode 15
Yes, No, Maybe So?
11m
To build an environmentally-unfriendly factory, Fendrich preys on Mayor Fleck's need to be liked to approve his project.
Where to watch LEGO City Adventures
Episode 16
Grizzled and Grizzled-er
11m
Detective Grizzled's first partner of bad habits returns to the City, causing frustration for his current partner, Rooky.
Where to watch LEGO City Adventures
Episode 17
Freya, Basically
11m
The kids notice that Freya is in a rut when it comes to making firefighting decisions, so they help her get her groove back.
Where to watch LEGO City Adventures
Episode 18
Where in the World is Sheep Wheeler?
11m
When they learn Fendrich owns the city, the kids need Chief Wheeler's help, but he may have magically turned into a sheep.
Where to watch LEGO City Adventures
Episode 19
King Fendrich I
11m
Billy, Maddy, and friends resist Fendrich's iron rule and desperately try to prove that he does not, in fact, own the city.
Where to watch LEGO City Adventures
Episode 20
King Fendrich II
11mfinale
Moments before Fendrich can tear down city hall, Billy and Maddy learn the shocking truth of who owns the city.
Where to watch LEGO City AdventuresEpisode information updated Sep 16, 2026
More about LEGO City Adventures
Production details
- Status
- Ended
- Series type
- Scripted
- Episodes
- 82
- Original language
- English
Networks & production
NickelodeonUnited States
YTVCanada
YouTube
Axis StudiosUnited Kingdom
Passion ParisFrance
The LEGO GroupDenmark
Themes
3d animation
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