Superjail! is coming back for season 2 on April 3rd!
It's the most sick and twisted animated series you'll ever see, and one of my favorites.
Season 1 was animated by Augenblick Studios but this new season is being produced by Titmouse.
In this behind-the-scenes clip we see how they use Flash to make this fully-animated series of pure awesomeness.

Source: CHF

Here's an interview with the creators from a couple years ago: