Overview
At the carnival, Champ is persuaded to enter a boxing attraction with "The Australian Bounder", a fighting kangaroo. The winner receives $500.00 if he can stay 4 rounds with the animal. Doc and Champ are pleased to accept but the kangaroo and its manager don't exactly fight fair. To help Champ win, Doc comes up with a variety of schemes such as convincing the kangaroo that Champ is a mother with child, then that Champ has the measles, and, in the final round, by putting Champ on a unicycle so he can outrun his foe.
| Actor | Age then | Age now | |
|---|---|---|---|
 | 43 | July 14, 2009 (89) | |
 | 42 | November 2, 1986 (66) |