The Simpsons

S37E14 Irrational Treasure

Marge's mission to improve the family's dog, Santa's Little Helper, takes an exciting turn when she decides to enter him in agility competitions, culminating in a trip to the National Dog Show in Philadelphia. While there, Marge and Homer unexpectedly find themselves entangled in a thrilling historical conspiracy, reminiscent of a "National Treasure" film, alongside their beloved pup.