The Tunnel - Episode Guide

Inside the Channel Tunnel, on the borderline between Britain and France, the body of a woman is discovered. As the corpse is lifted it becomes clear that this is no ordinary murder. A thrilling and complex cross-Channel investigation ensues.

The killer claims to highlight the ills of contemporary European society as his second 'truth' unfolds. Stephen Beaumont crosses the paths of Karl and Elise once more. Are they any closer to an answer?

As Suze is recovering in hospital, the killer, nicknamed the "Truth Terrorist" by Hillier, calls Hillier to inform him he will continue the second truth in France, and later kidnaps a World War 2 veteran. Elise comes to understand that the Truth Terrorist is a mastermind, having covering his tracks thoroughly. What he does not account for is that a runaway teen couple accidentally find Jean-Claude, and are captured by the Truth Terrorist.

The detectives battle to locate the elderly soldier before he freezes to death. In the meantime, is naïve teenager Sophie safe lodging with seemingly harmless Benji?

The Truth Terrorist's third truth begins as Benji carries out his Samurai mission. Sophie's life is now at stake and police believe they can use her to stop TT's rampage. Karl gets more than he bargained for while visiting Charlotte.

As youths are burnt alive, police suspect the hand of the Truth Terrorist once more. They finally make a key arrest. Will this be the end of the killings in this brilliantly tense Anglo-French thriller?

Police think they may finally have a lead, as the serial killer's actions escalate in his fifth and final 'truth.' Karl and Laura's relationship takes another turn as Laura steps up her flirtations with another man.

French police capture but then lose the prime suspect. Next, their lead detective goes missing. Things eventually start to fall into place though, but something is troubling Karl...

In the penultimate installment, things take a very nasty turn for Karl as police get within a hair's breadth of catching the killer. Will they make it in time?

Karl falls apart as the Truth Terrorist's change of direction becomes too much to bear. What will be the cost of catching their man? A hair-raising showdown begins.

Commander Elise Wassermann and DCI Karl Roebuck reunite for the second season of this high-octane geopolitical thriller. A French couple go missing from the Eurotunnel. Days later a passenger plane crashes into the Channel. Is it a terrible coincidence, or are the two tragedies connected?

Finding the Fourniers becomes a matter of national urgency when the crashed plane's black box reveals a terrifying possibility. Gripping crime drama.

As the hunt for the abducted couple continues, a hunch leads Karl to another body. Plus, a man steps forward with intriguing links to their missing man.

As the gripping crime drama continues, Karl and Elise receive a tip-off from a woman they believe knows Robert Fournier's whereabouts. But can she be trusted?

An unexpected revelation threatens to turn Karl's life upside-down. Meanwhile, Eryka reaches out to Elise and Rosa offers the team a cryptic clue.

An anonymous package gives Karl his biggest breakthrough in the case yet. Plus, the investigating team receive a clear and violent warning.

The team are forced to strike a deal with Vanessa. Meanwhile, someone tries to warn Karl off the case and Elise crosses a line she may quickly come to regret.

A lethal attack is launched and Elise and Karl's lives are thrown into jeopardy as the second series of the gripping crime drama ends in a nail-biting showdown.

A burning fishing boat found on the Channel turns into a new case for Karl and Elise

A shocking discovery is made at an immigration removal centre alongside a sinister animation containing a hidden message.

The investigation takes a bizarre and troubling turn when Winnie is sent a box containing a live rat with a set of co-ordinates leading to the latest victim of the Pied Piper.

As a young mother-to-be helps Karl and Elise with their enquiries a new development threatens to tear the pair's partnership apart.

Karl makes a foreboding discovery at Elise's apartment, and the pattern of missing people continues.

In the final episode, Karl and Elise face a tense and gripping showdown with the Pied Piper, while the truth about the Moreau abduction is revealed at last.