Scientists Tony Newman and Doug Phillips are the young heads of a multi billion dollar government installation buried beneath the desert. They are working on a time travel device, called The Time Tunnel.They have invented a Time Tunnel, which will allow people to visit any where in time and space, while testing the tunnel for an impatient senator, Newman and Phillips became trapped in time, and each week found themselves at the site of an important historical event, like the sinking of The Titanic or the attack on Pearl Harbor.