If you are looking for movies like Final Space these could be interesting candidates. The closer two names are, the greater the probability the two movies are similar.
Final Space Infinity Train Disenchantment OK K.O.! Let's Be Heroes Over the Garden Wall Robot Chicken Gravity Falls Brickleberry Rick and Morty The Cleveland Show The Big Mouth Bob's Burgers Kid Cosmic The Amazing World of Gumball Cyberpunk: Edgerunners The last of us Hannibal (TV series) The Midnight Gospel Mr. Pickles Adventure Time She-ra and the princesses of power Avatar: The Last Airbender Courage The Cowardly Dog Kipo and the Age of Wonderbeasts Daria Love death and robots Hilda The Picture Of Dorian Gray Начало / Inception The Invisible Amphibia Hannibal Rising The Witcher (TV series) Star vs the forces of evil One Punch Man The umbrella academy Euphoria Arrested Development Invader Zim Dexter's Laboratory Community Bojack Horseman Regular Show Mr. Robot Futurama Doctor Who Steven Universe Family Guy Inceptıon