The Ball is the 2nd Episode in the 4th Season.
One day Tiger's phone rang it was Kipper. Tiger was bored asked what Kipper was doing, Kipper didn't know and asked Tiger what he feels like doing Tiger didn't the he asked Kipper the same thing. Kipper was about think when someone knocked and hung up Tiger. But when Kipper opened the door no one was there...except a ball Kipper wondered who the ball belongs to(only it was a magic ball that turns up at the door). Kipper was playing with the ball