How do you pass kerplunk on Game Show Island?

The Kerplunk show (a version of Wipeout) requires you to run through 3 obstacle courses.

1) The boot wall : you can make your way across by watching for doors that are about to open, but beware that anytime a boot is out it will knock you into the water. If you can get far enough across, you can jump past the rock in the water and just swim to the far side of the falls. After you swing across to the left side, get off of the "piano keys" as quickly as possible because they will pop you up. Look for the slightly brighter lights that project upward from each key. Across the slippery pies, just watch for the flying blobs, because you have plenty of space to avoid slipping off when you jump.

2) The "columns of light" will again help you on the second stage. Cross to the button and push it, then wait for the bag to toss you to the right. Control your flight in midair so that you land on one of the copter pads. Jump across to each pad whose location is marked by a column of light.

3) The trap doors open and close fairly quickly. Try to jump up to a door that has JUST OPENED, because by the time you land on it, it will have closed and will stay closed for awhile. Try to jump "behind" the rollers so they can't force you off.

(see the related question for other games)