A Mouse in Los Angeles is a 2025 American hand-drawn animated adventure comedy-drama film, produced by Paramount Pictures and Paramount Animation. It premiered on November 7, 2025, and is directed by Piet Kroon.
Summary[]
The story centers around a little girl mouse named Bubbles, who is an orphan living with her classmates and teacher at school. Her life takes a turn when she is pursued by a gang of cats. Eventually, Bubbles forms a friendship with Lenny, the only kind-hearted cat in the group, who is a large but simple-minded feline that adores mice. Together, they embark on an adventure to explore the vast city of Los Angeles before returning home.
Plot[]
In a quiet corner of a bustling city of Los Angeles, a little mouse named Bubbles scurried through the hallways of a charming elementary school. Orphaned at a young age, Bubbles was raised by her loving classmates—a group of clever and resourceful mice—and their caring teacher, Miss Whiskers. They made a cozy home in the school’s kitchen, where delicious crumbs were plentiful.
However, life takes a treacherous turn when a notorious gang of cats, led by the cunning and fierce feline named Clawdia, infiltrates the school. Clawdia and her gang relentlessly pursue Bubbles, intent on making her their next meal. Terrified but resourceful, Bubbles learns to navigate the perilous hallways and escape the clutches of her feline pursuers with the help of her friends.
One fateful day, as Bubbles frantically evades the gang, she accidentally finds herself in the school’s yard. There, she encounters Lenny, a large but simple-minded cat who is different from Clawdia and her gang. Rather than feeling threatened, Lenny is instantly charmed by Bubbles’ bravery and spirit. With a heart as big as his stature, Lenny reveals that he has always adored mice and hates the idea of harming them.
Recognizing that they share a common enemy, Bubbles agrees to form an unlikely alliance with Lenny. Together, they concoct a plan to explore the vastness of Los Angeles, using the urban landscape as their battleground. Lenny offers to protect Bubbles while she learns more about the world beyond her school walls, and they set off on their adventure.
As they traverse the bright lights of city streets, weave through bustling markets, and navigate the twisting alleys, they encounter a variety of colorful characters—kind alley cats, quirky street performers, and even a wise old owl who teaches them valuable life lessons. Throughout their travels, Bubbles discovers the power of friendship, courage, and trust, while Lenny learns about empathy and the importance of standing up for what is right.
However, Clawdia is never far behind, determined to retrieve what she believes is her rightful prey. As the stakes rise, Bubbles and Lenny devise a plan to confront Clawdia and her gang, ultimately leading to a showdown in a city park during the annual "Mice vs. Cats" race, a local event where preconceptions are put to the test.
In an unforgettable climax, Bubbles and Lenny unite their two worlds, showing Clawdia's gang that there's more to life than rivalry. With Bubbles' charm and Lenny's size, they not only grow to respect each other, but also forge an unexpected peace between cats and mice in the city.
By the end of their adventure, Bubbles has not only returned home to her school, but she has also found a true friend in Lenny, who often visits to protect her and continue their friendship, proving that love and compassion can bridge any gap—even one as vast as that between cats and mice.
Together, they demonstrate that the most important journeys are those taken with friends, and that true bravery means standing up for each other in a world that often seems divided.
Cast[]
- Hayden Panettiere as Bubbles
- Joe Alaskey as Lenny
- TBD as Max Katz