In "Irrational Treasure," Stan drives himself, Dipper, and Mabel to Pioneer Day, where the Stanmobile was soon surrounded by wagons; later in the episode, it got stuck in the mud while Stan tried to escape.
In "Summerween," Stan uses it to drive himself, Dipper, Mabel, and Soos to the Summerween Superstore, and after uses it for his escape after leaving "Stan Bucks" to pay for his items, then crashing into a telephone pole and popping an inflated Jack-o'-melon with the car in the process.
In "Boss Mabel," Stan goes on vacation for three days, using his car to get there.
In "Bottomless Pit!," the car is seen again during Mabel's "Trooth Ache" story while Stan is teaching a bear how to drive.
In "Gideon Rises," Stan's car is seen parked in at Greasy's Diner and after next to Abuelita's house. Later, when Stan figures out how Gideon is able to con everyone into believing him to be a psychic he uses the car to quickly tell other citizens of Gravity Falls at the crash site of the Gideon-bot.
In "Sock Opera," Stan drives the Stanmobile.
This car's license plate is mentioned in the episode "Not What He Seems," as the key for the code in the end credits. The license plate is pictured on the board in the police station with the information collected by Agent Powers and Agent Trigger.
In "A Tale of Two Stans," Stan takes the Stanmobile when he leaves home after his dad kicks him out, revealing that the car is at least 40 years old, and uses it to travel the country for his various scams.
The Stanmobile is a burgundy car with a white hood and black tires. It has a white landau roof and a yellow license plate with STNLYMBL on it. The side of the car has the words "EL DIABLO" on it, which is Spanish for "The Devil." It gets wrecked by Stan's dangerous driving on several occasions.
- 102. "The Legend of the Gobblewonker"
- 103. "Headhunters"
- 104. "The Hand That Rocks the Mabel" (flashback)
- 106. "Dipper vs. Manliness"
- 108. "Irrational Treasure"
- 112. "Summerween"
- 113. "Boss Mabel"
- 114. "Bottomless Pit!"
- 117. "Boyz Crazy"
- 119. "Dreamscaperers" (flashback)
- 120. "Gideon Rises"
- 203. "The Golf War"
- 204. "Sock Opera"
- 211. "Not What He Seems" (pictured)
- 212. "A Tale of Two Stans" (flashback)
- According to Alex Hirsch, Stan's car is a "1965 El Diablo Convertible" which is a play on words, since the car resembles a third generation 1965 Cadillac DeVille convertible.
- Alex Hirsch confirmed in an interview that the difference between the license plate's name, "Stanley," and Stan's supposed name, "Stanford," was an intentional hint to Stan's real identity and to the existence of his twin brother.
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