Jack is in for a surprise when Captain John Hart, a man who he long thought was gone, comes to greet him...

When a burglary turns into a slaughter, Torchwood suspect alien involvement. However, when the investigation escalates into a city-wide assault, Captain Jack realises that the whole planet is in danger.

A soldier from 1918, being kept cryogenically frozen by Torchwood, is being woken up for one day each year. But something's different this year. His time is colliding with ours, and he needs to go, although Toshiko isn't so sure whether she wants him to...

When Rhys discovers the truth about Torchwood, he helps the gang to find the source of an unusual alien meat supply.

Torchwood encounter an alien called Adam who can change memories. Things take a turn for the worse as Jack is haunted by memories of his brother, Gwen struggles to remember Rhys, Owen professes his love for Toshiko, and Toshiko becomes convinced that she loved Adam.

Jack calls in an old friend for a favour, none other than Martha Jones, as they attempt to stop a pharmaceutical facility that uses aliens in the hope of discovering a cure for all diseases.

Captain Jack resurrects Owen with a resurrection glove, only to find out that the new glove isn't quite what they'd bargained for. Owen, in an undead state, helps the team figure out why he's still around.

Owen is determined to find absolution, can the girl on the rooftop help? How about retrieving an alien device? And will Toshiko help him?

Gwen's hen night and wedding do not go according to plan, when an alien shapeshifter intervenes and Jack must destroy the big day.

An old cinema reopens and mysterious horrors of the past return to Cardiff. Why are people trapped between life and passing? Questions are asked about the Night Travellers, and what Torchwood can do to stop them.

Gwen finds the darker side of Torchwood when a teenager disappears, investigating why hundreds of people have vanished without a trace. Jack is obstructing attempts to find them, and the answer appears to lie in the Rift.

As the team are knocked unconscious we find out how Jack, Toshiko, Ianto and Owen were initiated into Torchwood.

Captain John Hart returns to wreak havoc upon Jack's world, who ends up getting captured. It is up to the Torchwood team to rescue him and save the city.