Original sentence: (However, in Batman: the Animated Series they are identical and both wear red collars; in The Batman (TV series), they are identical, wear no collars, and are grayish in color
Edited sentence: (However, in Batman: the Animated Series they are identical and both wear red collars (purple in the episode "The Man who killed Batman"); in The Batman (TV series), they are identical, wear no collars, and are grayish in color