Pause game play then hold L + R and quickly press X(3), B(3), X, B, X.
Pause game play then hold L + R and quickly press B, X, B, X, B, X(3), B(2), X, B(3).
Pause game play then hold L + R and quickly press X(2), B, X(2), B, X, B(3).

He will send out robots and space kooks. Defeat them and when the electric field is down, ram the red switches, Keep repeating this until he falls off his platform. Then, dodge his robots and supersmash them. When the electric field is down again, ram the two red switches and repeat two more times.

Red Beard will send out ghosts. Dodge them, then a ghost of Captain Moody will appear. He will throw his sword. Go to one of the ropes, stay until the knife cuts it, and keep repeating this attack.

Ram red switches when Black Knight moves near them.
Ram him, then super slam him.
Daphne will open coffins. When the Green Ghost hovers over an open coffin, Super Slam the switch.

If Daphne opens a coffin and the ghost is above it, do a Thunder Smash on the button and the ghost will get sucked down. To get the ghost to go in all the way, you must do this three times.
Change the Xbox system date to one of the following entries to see special things at the front yard and the mystic playground.

January 1: Fireworks
February 14: Hearts on Scooby Snacks
March 17: Green fountain water and smoke from chimneys
July 4: Red, white, and blue fireworks, fountain water, and smoke from chimneys
October 31: Giant bats over courtyard door for decoration
December 25: Snow
December 31: Fireworks

Pause game play then hold L + R and quickly press X, B(2), X, B, X.