 In 1939 he joined forces with Vladimir Polkovnikov, and together they directed a trilogy "Limpopo" (1939), "Barmaley" (1941) and "Peacock's Tail" (1946) based on the Doctor Aybolit fairy tales, all shot in full color using the three-color filming process by Pavel Mershin (the color copies of the first two shorts are considered to be lost).It was one of the first Soviet mini-series and among the first distinctive pictures of Soyuzmultfilm that defined the "Soviet style" of animation.During their work on "Barmaley" Polkovnikov was enrolled to the army and Amalrik finished it on his own, yet after the war they continued working as a team until 1953.