Arthur's Exploit is a Potential Plotline episode. It is based on the Season 2 episode, Edward's Exploit.
Arthur is taking some visitors to meet Phil and Pete. He has trouble starting and Nevile, Spencer and Dennis mock his struggle. Cartman and Farnsworth defend Arthur and eventually Arthur starts to pull his train. After Phil and Pete get back, Arthur takes them home. The weather gets bad, and suddenly, Arthur's crankpin breaks. His crew removes his siderods and, with some adjustments to the coaches, Arthur manages to take them home, despite being late.
- Phil and Pete (do not speak)
- The Fat Controller (does not speak)
- Bertie (Cameo)
- Stock Footage from "Something Fishy" is used.
- When Farnsworth says "You're right, Cartman", his eyebows are missing.