What's the Big Idea?
- Episode aired Feb 6, 2017
- TV-PG
- 21m
When Franco's new donut flavors become bestsellers, Arthur tries to come up with one of his own to prove he's still relevant.When Franco's new donut flavors become bestsellers, Arthur tries to come up with one of his own to prove he's still relevant.When Franco's new donut flavors become bestsellers, Arthur tries to come up with one of his own to prove he's still relevant.