A great tv show first aired in mid 90's, starred jerry O'connell, Sabrina Lloyd, Cleavant Derricks and Jon Rhys Davis. A young student at university of SF discovers a portal to a parallell earth by accident whilst looking to create an anti grav device
First two series are great goes mainly downhill form there.
"You mean we can just, like slide through this and boom we are on another planet"- Sabrina llyods character 'Wade Wells'
Response: "No, same planet different dimension"- 'Quinn mallory' played by Jerry O'connell