Bus Driver Ghost is a disgusting blob of a ghost (similar to Slimer ) which seems to be haunting the port authority bus terminal and nearby areas in New York. The boys chased after the slimer through a parking garage, cafeteria, waiting room, and then on through gate 13 to another parking garage area. Peter then went on the bus the ghost was on and blasted him while the other three waited outside the bus to make sure the ghost didn't escape. After the ghost was captured, Peter Venkman got all the credit.