8. When Max and Caroline headed to court to save their cupcake window
At the start of Season 5, Max and Caroline teamed up with the diner staff and other local businesses to fight a giant movie-theater chain from building on their turf. Sure, they could've received a giant payout in the process, but you can't put a price on local charm—especially when said charm qualifies the business as a historical landmark.
"And The Disappointing Unit" (Episode 1, Season 5)