'Phineas and Ferb' Returns: How – and Why – Disney Got the Band Back Together After 10 Years

There's 104 days of summer vacation, and in 2015 it wasn't school that came along to end it, but Disney Channel. Now, almost exactly 10 years after ending with Season 4, "Phineas and Ferb" is back. The fifth season of the animated series hit Disney+ on Friday, with 10 episodes -and 30 more to come - an order that thoroughly surprised creators and showrunners Dan Povenmire and Jeff "Swampy" Marsh. According to the duo, there's always been "murmuring" about more, which resulted in two TV movies. So, they thought Disney was approaching them just for another film. Instead . . .