That was actually the second pilot for the show before they went into production on season 1.
Busted
It is impossible to get a perfect seal on a modern airplane toilet, and even if it is possible a properly working toilet provides suction for only a few seconds. Even then, the suction (3 psi) is not beyond human ability to overcome.
Busted
It is impossible to get a perfect seal on a modern airplane toilet, and even if it is possible a properly working toilet provides suction for only a few seconds. Even then, the suction (3 psi) is not beyond human ability to overcome.
http://mythbustersresults.com/pilot2