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Tearjerker: The Raccoons
Bentley remembering his parents, from his days as a baby, to the day they gave him his computer, and crying in the end of the flashback in the episode "Trouble Shooter", while Lisa Lougheed's "Come on Home" is heard in the background.
Before that, the pigs confess to Cyril about dumping the barrels into the beloved fishing pond as part of a moonlighting job, claiming they only did it for the money. Shocked as this revelation, Cyril opens his vault and throws his money at the pigs, saying something that really cements his Character Development.
Cyril: You want money? Here! Here's lots of money! Take it all! Take some more! Just give me back the fishing hole! Can you do that? Can you give me a price on that? Can you?