Strongest in the World is the second level of the Special Saga in the video game Dragon Ball Z: Budokai Tenkaichi 3. It is based on the movie Dragon Ball Z: The World's Strongest, and is unlocked by completing the Saiyan Saga.
Dr. Wheelo tries to steal Goku's body by brainwashing Piccolo. After Piccolo turns back to normal he tries to kill Wheelo but fails. Gohan gets mad and damages Wheelo. Goku then fights Wheelo and with a Spirit Bomb destroying him.
The battle will end in three different ways: Piccolo killing Wheelo, Gohan killing Wheelo or the normal one; Goku killing Wheelo.
Unlock: stage Final Battle for Earth; character Dr. Wheelo.