The Pet Adventures of Leo

The Pet Adventures of Lego is an American animated comedy adventure series created by Jessica Borutski with herself and Genndy Tartakovsky producing. It premieres on March 14, 2020 on WB Kids. The show is produced by Warner Bros. Animation. The show is set in the fictional city of Petbridge, New York.

Sypnosis
The series follows a Brussels Griffon named Lego, who lives with his owner named Mattie but when Mattie is not around and is gone to school, he and his friends embarks zany adventures.

Voice cast
(W.I.P.)
 * Josh Keaton as Lego, a adventurous and kind-hearted but also clumsy Brussels griffon. He is the protagonist of the series.
 * Bill Fagerbakke as Wag, a Black Lab who is Lego's best friend.
 * Tara Strong as Rose, a cat who is smart, but can be serious at times; Crystal, a Mexican-American human who is the first human to know that the pets can talk. She is Lego's best human friend and also Mattie's best friend.
 * Sean Astin as Red, a snake who is playful. He is Small's best friend. He and Small are the focus of some subplots.
 * Tom Kenny as Small, a Guinea pig who is Red's best friend. He and Red are the focus of some subplots.
 * Samuel Vincent as Creep, a iguana who can be creep, but actually has a warm heart.
 * Rodger Bumpass as Hank, a grumpy but friendly hawk who is Mattie's family's neighbor's pet.
 * Grey DeLisle as Mattie, a human high school girl who is Lego's owner. According to Lego, she is a 8th grader. She changes her outfit each episode. DeLisle also voices Nancy, Crystal's older sister who is also Mattie's best friend.
 * Rob Paulsen as Dave, a puppy that is a friend to Lego. Paulsen also voices John, Mattie's creative father. Currently, John and Nancy are the only human characters that discovered that the pets can do human things.
 * Steven Blum as James Flynn, a human college graduate and a neighbor to Mattie who is a neutral person and is an owner of many bulldogs.
 * Maurice LaMarche as Velcro, a evil alley cat and one of the two main antagonists of the show, being Stella's brother. LaMarche also voices Paul, John's short tempered boss.
 * Tress MacNeille as Stella, a sassy alley cat and one of the two main antagonists of the show, being Velcro's sister and mainly antagonizes Rose.
 * Jess Harnell as Buddy, a dumb dog who causes some disasters at times. Harnell also voices Brave Braverton, Mattie's favorite super hero.
 * Kath Soucie as Sally, a kid at Mattie's school who is her best friend as well.
 * Candi Milo as Former Principal Natasha Meanpants, an evil former principal who wants school to be every day, but she is defeated by Lego and his friends.
 * Tabitha St. Germain as Queen Bee, a bee that wants to marry Lego and wants to get rid of Rose, fearing that she might take Lego from her.
 * Dee Bradley Baker as King Rat, the king of rats who hates humans. Baker also provides the animals' voice effects.
 * Jim Cummings and Greg Baldwin as Meaty and Bones, twin poodle brothers who are villainous, and wants to attack the pets, mostly Lego.
 * Phil LaMarr as Chili, a poodle who is the younger brother of Meaty and Bones. Unlike the two, he is calm and kind-hearted as he stands up to his evil brothers.

Animation
The animation is outsourced to Dong Woo Animation and Toon City Animation. Also, it was made by hand-drawn animation software, Toon Boom Animation. In the web episodes, it contains flash animation.

Theatrical film
See The Pet Adventures of Lego (film)

WB Animation, Phil Lord and Christopher Miller made a live action/animated film based on the series.

Video game
Warner Bros. Games and Activision jointly produced The Pet Adventures of Lego: Dimensional Rift, released for Microsoft Windows, PlayStation 4, PlayStation Vita, Xbox One, Nintendo Switch and Nintendo 3DS/2DS.

Episodes
List of episodes

Spinoff webseries
A webseries based on the Hero Pets episode, The Hero Pets Adventures, was released on WB Kids Online!.

Easter eggs/cameos
Like other Warner Bros. Animation shows, the series commonly features easter eggs and cameos from the company's other franchises.
 * Lego has a Scooby-Doo toy figure as a luck amulet.
 * The Mystery Machine and the Batmobile are seen as one of the broken vehicles at a junkyard.
 * Wonder Woman's weapons from her DCEU version is seen one of the scattered objects owned by Lego.
 * In some of the Halloween episodes, the Green Lantern costume is worn by Lego, another role that Josh Keaton has previously played.
 * In the alley, some alley cats look like Tom Cat, Sylvester Pussycat, Penelope Pussycat, Butch Cat and Rita.
 * The Collin the Speedy Boy characters appear in a comic book.
 * Rose said Sylvester Pussycat's catchphrase "Sufferin' succotash" in two episodes.

Notes/Trivia

 * Despite the main character being named Lego, the series is unrelated to the LEGO toy brick company.
 * Sometimes, the series is compared to the Universal Pictures/Illumination Entertainment film The Secret Life of Pets, because of its concept about pets doing some human things when their owners are gone.
 * The series' episodes last to 24 minutes.
 * Three cast members of the series, Tom Kenny, Bill Fagerbakke, and Rodger Bumpass, who voice Small, Wag and Hank, respectively, also star in SpongeBob SquarePants, which they voice SpongeBob, Patrick, and Squidward, respectively.
 * Also Rob Paulsen, Tress MacNeile and Jess Harnell who voice Dave, Stella and Buddy also voice the main characters in Animaniacs Yakko (Rob), Wakko (Jess) and Dot Warner (Tress).