Dr. Tony Newman prematurely enters the government's Time Tunnel project, and the project head, Doug Phillips, must go back to save him as they both fight for survival on the sinking Titanic.

Cast: James Darren, Robert Colbert, Michael Rennie, Susan Hampshire, Gary Merrill, Lee Meriwether, Wesley Lau, John Zaremba, Whit Bissell, Don Knight, Jean-Michel Michenaud, John Winston, Frank Parker