Currently available on 2 streaming services.

Streaming, rent, or buy Uncle Grandpa – Season 4:

You are able to buy "Uncle Grandpa - Season 4" on Apple TV, Amazon Video as download.

Cast

Peter Browngardt
Uncle Grandpa (voice)
Eric Bauza
Belly Bag / Hot Dog Person (voice)
Kevin Michael Richardson
Mr. Gus (voice)
Adam Devine
Pizza Steve (voice)