Today seemed like it would be a normal day at the Smash Mansion... but everyone knows that nothing normal happens in the Smash Mansion.
Dry Bowser was counting away at how many random cartoon characters were filling the place up, with Toadette walking up to him.

"Gee, DB, doesn't it seem like we have a lot of characters here?" Toadette stated as she held her hands together.

Dry Bowser blinked as he turned around, to see Spongebob riding down the hallway in his Patty Wagon, with the Powerpuff Girls flying after him, Johnny Bravo trying to hit on some of the Total Drama chicks, Mickey Mouse's gang of Disney characters performing a band with the Looney Tunes, and Mario showing the lesser known obscure cartoons around the mansion.

"...Yes. Quite a lot more than I'm comfortable with." Dry Bowser sighed while shaking his head.

It was then that a smart bomb fell down from an arwing flying out of control, with the explosion shaking the entire mansion, Dry Bowser's bones scattering everywhere.

"Looks like it happened again. R.O.B. remarked as he shook his metal head, glancing around to see all the cartoon characters groaning in pain.