* THE DICK VAN DYKE SHOW - NOW IN LIVING COLOR. 8 p.m. Sunday, CBS3. CBS digs into the vault and colorizes two of the classic show's episodes: the one where Rob (Dick Van Dyke) recalls his son Ritchie's arrival and the one where Laura (Mary Tyler Moore) reveals that her husband's boss, Alan Brady (Carl Reiner), wears a toupee .