When does Barney Bear return?

26 Barney Bear cartoons were produced between 1939 and 1954. The character was voiced by Rudolf Ising from 1939 to 1942, Pinto Colvig in 1941, Billy Bletcher from 1944 to 1949, Paul Frees from 1952 until 1954, Frank Welker in 1980, Lou Scheimer in 1980 and Jeff Bergman in 2004.