 Afterwards, Dalton left to work at Leon Schlesinger Productions, with his first project being 1934's "Viva Buddy".Altogether, Dalton worked on 33 Warner Bros. cartoons as part of their animation department.In 1938, following Friz Freleng's departure, Dalton was promoted to director; for unknown reasons though he was never allowed to be sole director, and shared his duties initially with Cal Howard, and then Ben Hardaway.