Instructions
Enter a Toad-rescue mission by selecting a level that has a bubble with Toad's picture in it.
Find Toad in the level. You will hear him shouting for help when you're nearby. Walk up to Toad.
Shake the Wii remote and press and hold the 1 button to pick up Toad if you're using the Wii remote alone.
Shake the Wii remote and press and hold the B trigger button on the back of the Wii remote to lift Toad if you're also using the nunchuk controller.
Hold the 1 or B button down as long as you want to continue carrying Toad. Release the button to put him down.