Out comes the planet Mercury (as in, Mercury, as in the liquid in thermometers)

Dragon puts in Venus

Out comes Mars

In goes what is left of Pluto

Out comes Goofy.

Dragon puts in a lame pre-movie cartoon short on how to hook up your home entertainment system.

And out comes Goofy wrapped up in cable.

Scorp puts in Clark Kent

Out comes Spider Man :p

Dragon puts in the whole Marvel Universe

And out comes Venom

Scorp puts in Youtube

Out comes anitube

Dragon puts in Stage6

[Private to King Scorpion: Both of which are NOT blocked by my server, but youtube is... go figure.]

Out comes Take 6.

Yoss puts in a toe nail clipping.

Out comes a toe with no toe nail.

In goes a monkey.

Out comes Abu.

Yoss puts in Alladin.

Out comes a flying carpet

Dragon puts in a plain old ordinary carpet

Dust...lots of it (I thought that carpet looked lumpy)

Lobo Negro puts in a vacuum cleaner.

Out comes a swifer

In goes a slower

Out comes a Potion of Haste.

Yoss puts in a D&D 4.0 rulebook.

A group of adventurers appears, sits down and goes to play some sort of roleplay game called "Supermarket".

Zunemi puts in a slice of Pie

...Out comes an empty plate.

In goes the empty plate...

...Out comes a steel plate.

In goes Microsoft Corporation...

out comes bill gates.

Zunemi puts in an electicity bill

Out comes power restored

In goes a bag of human hair

Out comes Thing from Adams Family.

Yoss puts in a vampire tooth.

Out comes a piece of garlic.

In goes a Slot Machine

Out comes a slot.

Yoss puts in a sloth.

Out comes a Saber-toothed Tiger.

Dragon puts in a Wooly Mammoth.

Out comes a giant fur coat

In goes a motivational speaker

Out comes a bottle of Prozac

In goes a pepsi...