 Heading back East he worked briefly for an outfit that produced cartoons based on the popular Joe Jinks comic strips (the cartoons never were seen publicly).In 1928 he worked for six months at Loucks and Norling on industrial films and the "Mutt and Jeff" series.In 1928, Kneitel returned to Fleischer Studios as an inbetweener, staying there for fourteen years (1928–1942), He was there only about six months when he became an animator, and a year later became a head animator.