Soon to come: 4-D, which is 3-D with the added dimension of time -- the same area shot over and over.

FORBES: The case for oil

Best seen in 3-D, if you can find the right theatre, though the extra dimension continues to seem less of an inspiration than a stunt.

NEWYORKER: Monsters vs. Aliens

As the 3-D fad waned in 1960, producer Michael Todd Jr. tried to take the moviegoer into the fourth dimension.

FORBES: Flops