Bud was trapped just outside the mystery submarine's air lock!
They were trapped in the connecting tunnel, just outside the habitat ring.
The "lower-income population" now "trapped outside the city" may not be coming back.
And here she was, trapped outside the city without money or the means to get a message to Matilda.
By early afternoon about 1,000 people were trapped behind a police roadblock on a bridge just outside the mine itself.
Regular German army was actually trapped both inside and outside Prague.
If the shuttlebay doors closed, they would be trapped outside them.
Anyone else would be trapped either inside or outside the force field.
If he strayed too far or allowed himself to be trapped outside his body, he might never get back again.
Unless that was Murgen inside there, as someone had suggested, trapped outside his own time.