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Celebrated 1960s genre show The Time Tunnel is making a return courtesy of Big Finish.

Big Finish Productions, under licence from Legendary Entertainment, presents Seán Carlsen, Rachel Handshaw, Safiyya Ingar and Jay Reumas in the audio revival which will debut in February 2025.

In 1979, 20 years after it was set up, Project Tic-Toc was shut down by the American authorities. All hope of retrieving scientists Tony Newman and Doug Phillips, lost in the Time Tunnel in 1968, has been abandoned.

In 2025, four people are brought together by a need to reopen the Arizona base and reactivate the Time Tunnel in secret. From there, they must try to find Doug or Tony because something they have done in the past has changed the present—and not for the better. The world is now under the power of Rakervia.

Leading the cast are Seán Carlsen (Gallifrey) as British naval officer Captain Lewis Haworth and Safiyya Ingar (The Eleventh Doctor Chronicles) as young hacker MB, alongside Jay Reum as dark web hacker Cole Smith and Rachel Handshaw as marine biologist Clare MacGregor.

When these four find themselves in a changed world, they must travel through time – using The Time Tunnel, a top-secret installation based in Arizona – to put things right. Over the series, they will visit key moments in history, from the English Civil War to the Stonewall uprising, meet famous historical figures, and work together to restore the world to its proper course.

“Irwin Allen’s The Time Tunnel had the potential to be the most interesting and clever of all his shows, but the story never got a resolution – and that was the launchpad for this new 2025 version,” said Gary Russell, producer and script editor of the new series from Big Finish. “Time travel is also dangerous – as the great writer Ray Bradbury once warned, be careful not to tread on the butterflies…”

Speaking exclusively to Sci-Fi Bulletin, Russell added, “I was a huge Irwin Allen fan back in the late 1960s and early 1970s.  Thursday afternoons after school were a regular mix of Lost in Space, Land of the Giants and the wonderful The Time Tunnel.  I loved The Time Tunnel beacuse, like my other big love, Doctor Who, it was about having adventures in history and, at a time when Doctor Who wasn’t doing that, Tony and Doug’s weekly adventures satisfied that need in me.  To have the opportunity, and the trust courtesy of Robert and Derek at Legendary/Synthesis, to continue the story of Project Tic-Toc and bring it into the 21st century, along with our stellar lead cast of Sean Carlsen, Rachel Handshaw, Safiyya Ingar and Jay Reum has been thrilling, to both myself and 8-year old me, too!”

Robert Napton, SVP & Publisher, Legendary Comics, added: “I first started listening to Big Finish’s Doctor Who audios at the Gallifrey One convention 30 years ago, so it’s been fun to work with Big Finish and our friends at Synthesis to bring another beloved classic series back to the modern era. I am glad producer Gary Russell, and executive producers Jason Haigh-Ellery and Nicholas Briggs, are so passionate about returning to the world of Irwin Allen’s The Time Tunnel.”

Volumes 1 and 2 of Irwin Allen’s The Time Tunnel will be released in February and November 2025, respectively. Each volume comprises three adventures through time and is now available for pre-order exclusively from http://www.bigfinish.com: