When does Mr. Pickles return?

Mr. Pickles is an American adult animated horror comedy series created by Will Carsola and Dave Stewart for Adult Swim. The series revolves around the Goodman family, especially their 6-year-old son named Tommy and the family's border collie dog, the satanic Mr Pickles. The first episode of season 4 was a surprise series finale, replacing the show with a new spin-off series titled Momma Named Me Sheriff.