Maude S05E21 - Arthur's New Best Friend

Walter is surprised when Arthur suddenly stops spending time with him and it seems Arthur has replaced Walter with Wendell Glendale as his new best friend. Walter is jealous of Arthur's new friendship, and his sense of loneliness and betrayal makes Maude in turn feel bad and Walter sets out to make Arthur jealous by making Hubie Binder, Arthur's co-worker his new best friend.