Mater is working as a fire truck and has to rescue Lightning McQueen from a burning building. After he saves McQueen, the ambulance rushes McQueen to the hospital where Mater reveals that he's also a doctor (with an MD, PhD, STP and GTO).

Role: Fire Truck (and briefly Doctor)

Guest stars: Bret Parker as Ambulance, Laraine Newman as Nurse GTO

Mater is a daredevil, dressing in a style like that of Evel Knievel. In a stadium, Mater attempts to jump a long line of cars, but instead merely tiptoes over them. He performs other stunts, and later claims Lightning McQueen failed to jump over Carburetor Canyon while strapped to a rocket.

Role: Daredevil

Mater is a matador fighting a herd of bulldozers in Spain. When Lightning McQueen enters the story, the bulldozers chase after him due to his red paint job.

Role: Matador

Guest stars: Peter Sohn as Padre

Mater offers to tow home a stranded Japanese car inspired by the Toyota Century (named Ito-San), but ends up in Tokyo, Japan after hauling him all the way across the Pacific Ocean. He is subsequently challenged to a race by the Drift King Kabuto (a car resembling Boost, the leader of The Delinquent Road Hazards), with the winner being crowned "King of All Drifters" and the loser being stripped of all custom modifications to become a "stock" car. "Lightning Dragon McQueen" shows up to help Mater fend off an attack from Kabuto's ninjas and then helps Mater catch up with Kabuto and win the race.

Role: Drift King Guest stars: Robert Ito as Ito San, Mach Tony Kobayashi as Kabuto

Note: Automobile versions of James P. Sullivan and Mike Wazowski from Monsters, Inc. (who also appeared in the credits of the original Cars) appear in the background.

Mater befriends a small flying saucer called Mator and they have a night out. When Mator is captured by the military forces, Mater sneaks up and saves him with the help of Lightning McQueen and Mator's mothership.

Role: UFO

Mater, alias "The Tormentor", is a monster truck wrestler who works his way up the ranks from amateur to World Champion Monster Truck Wrestler, fighting against all kinds of characters along the way. These trucks include the I-Screamer, Captain Collision, The Rasta Carian, Dr. Feel Bad, and Paddy O'Concrete. When faced with his biggest opponent yet, the Monster of Dr. Frankenwagon, Mater tags in his "tag team partner", Frightening McMean (Lightning McQueen).

Role: Monster Truck Wrestler

Guest stars: Jan Rabson as I-Screamer/Dr. Feel Bad/Paddy O'Concrete, Jess Harnell as Captain Collision

Mater is a rock star in a heavy metal band. He starts out in a garage band called "Mater & The Gas Caps" and rises to the top with his hit song, "Dadgum" (which bears a heavy-metal style by accident when the drummer goes crazy trying to kill a fly on the drum while recording an album), a song based on the line Mater is famous for. Lightning McQueen joins him on stage in the middle of a huge concert and they rock into history.

Role: Heavy Metal Rock Star

Guest stars: Paul Eiding as Dex Dinoco

Mater is the first tow truck to land on the moon, with the mission to rescue the Impala XIII by giving him a tow and bringing him back to Earth. Lightning McQueen joins Mater and they are met with a hero's welcome.

Role: Astronaut

Guest stars: Teddy Newton as Impala XIII, Josh Cooley as Roger

Mater is a private investigator working on an open-and-shut case of counterfeit tires, when Tia rolls back into his life. She hires Mater to find her sister, Mia, who's been car-napped. Mater searches for clues and closes in on a major crime scene. Lieutenant Lightning McQueen arrives just in time to help bring the criminals to justice.

Role: Private Investigator

Guest stars: Carol Bach-y-Rita as Carmen, Torbin Xan Bullock as Big D, Danny Mann as Clyde, Jess Harnell as Claude, John Cygan as Stinky

A tow service leads Mater to Propwash Junction, a town populated by planes. Amazed by all these flying machines, Mater gets interested in learning how to fly when he sees Skipper's Flight School, which has a sign that says they could teach anyone. After learning how to fly, he learns himself to fly backwards and amazes a group of stunt planes known as the Falcon Hawks. Since one of them has sprained a wing during practice for a stunt show, they ask Mater to take place of the injured plane. He accepts and becomes the stunt planes' new member. Lightning McQueen, also a stunt plane, helps Mater at one point when he is in trouble.

Role: Stunt Airplane

Guest stars: Stacy Keach as Skipper, Danny Mann as Sparky, Jonathan Adams as Judge Davis, Lori Alan as Blue Hawk, John Cygan as Green Hawk, Paul Eiding as Red Hawk, Bob Bergen as Black Hawk

Accidentally gaining the ability to travel in time, Mater travels back to 1909 in the middle of a desert where he meets Stanley, the founder of Radiator Springs, who works as a travelling radiator caps salesman. With the realization, that if Stanley goes away there would be no Radiator Springs, Mater brings McQueen from the future to which Stanley sells him a radiator cap. Mater then suggests Stanley to settle there and build a town where he could serve broken travelling cars, and Stanley accepts. Jumping to 18 years in the future, in 1927, Stanley shows Mater and McQueen the expanding town when Mater takes a note of a broken Ford Model T, which turns out to be Lizzie. Lizzie's seemingly falling in love with McQueen makes Mater panic again about Radiator Springs' future, but it turns out that Lizzie had her eye on Stanley. After Stanley and Lizzie were introduced to each other by McQueen, he and Mater make another time jump, where they attend Stanley and Lizzie's wedding before returning to the present. There, Lizzie thanks McQueen for introducing her and Stanley.

Role: Time Traveler

Guest star: John Michael Higgins as Stanley

Lightning McQueen gets hiccups while drinking oil. Many of the Radiator Springs residents give him advice on how to cure the hiccups, but none of the ideas work until Sally kisses him on the cheek, curing McQueen of his hiccups. Sheriff then starts getting hiccups, which leads to Mater, thinking that kissing will help all hiccups, attempting to kiss Sheriff to cure them, leading to a chase between Sheriff and Mater.

Red's morning routine is interrupted by a pesky bug, which he attempts to get rid of.

Note: This is the only Cars Toon episode not to feature Lightning McQueen or Mater.

Luigi assigns Guido to shake his store's sign to draw in customers. When Guido discovers his hidden talent as a street corner sign spinner, he draws in a huge crowd.

Note: This is the last Cars Toon episode to feature Keith Ferguson as the voice of Lightning McQueen.

Radiator Springs celebrates a Founders Day honoring the late Stanley when a gang of racers descend on the town and challenge Lightning McQueen to an off-road race.

Guest stars: John Cygan as Idle Threat, Jess Harnell as Blue Grit, Danny Mann as Shifty Sidewinder, and Steve Purcell as Sandy Dunes.

Note: This is the only Cars Toon episode to feature Owen Wilson as the voice of Lightning McQueen.