Check out the Lost Media Wiki’s article on the Big City Greens test pilot!!!
Big City Greens is an American animated comedy-adventure television series created by The Houghton Brothers that premiered on Disney Channel on June 18, 2018.
The series originally had a pilot episode which was essentially a rough cut of the first episode, "Space Chicken". The Episode was remade with new character designs and possibly different voice actors and animation in 2018 as the official first episode of the series. The remade Episode aired on Disney Channel in 2018. All that was available of the original cut was concept art and character designs, this was until footage was accidentally posted onto Twitter in late July of 2021.