The series follows John Porter, a former British Special Forces soldier, who is drafted back into service by Section 20, a fictional branch of the Secret Intelligence Service.
Strike Back (Season 5)

Episode 1 (Episode 1) 8.3
Writer: MJ Bassett
Air date: 2015-06-03
Runtime: 45 min
Overview: The daughter of Thailand's British ambassador is kidnapped, so Stonebridge, Scott and the rest of the team sign up for another do-or-die trying adventure.

Episode 2 (Episode 2) 8.6
Writer: MJ Bassett
Air date: 2015-06-10
Runtime: 45 min
Overview: Section 20 try to track down the real culprits behind the embassy attack, starting with getting information from gangster Ray McQueen.

Episode 3 (Episode 3) 6.9
Air date: 2015-06-17
Runtime: 45 min
Overview: Locke works out that his long-time friend is working with the dangerous Yakuza and Office 39. Scott needs protect his son after they find themselves enemy fire.

Episode 4 (Episode 4) 9.0
Air date: 2015-06-24
Runtime: 45 min
Overview: Scott has a serious talk with his son whilst the rest of Section 20 form an uneasy alliance with a couple of CIA mercenaries as they go after Shiro and Mei Foster.

Episode 5 (Episode 5) 8.7
Air date: 2015-07-01
Runtime: 45 min
Overview: Scott and Stonebridge make a major mistake and fall into the clutches of North Korean agent Li-Na, leaving Locke having to defy orders to get them out.

Episode 6 (Episode 6) 8.4
Air date: 2015-07-08
Runtime: 45 min
Overview: Scott and Stonebridge make a major mistake and fall into the clutches of North Korean agent Li-Na, leaving Locke having to defy orders to get them out.

Episode 7 (Episode 7) 6.9
Air date: 2015-07-15
Runtime: 45 min
Overview: The battle with Li-Na is now in Europe, as Section 20 look for a way to get back on her trail. Locke ends up getting an unexpected chance to confront his nemesis.

Episode 8 (Episode 8) 8.3
Air date: 2015-07-22
Runtime: 45 min
Overview: The team find out that Li-Na is planning to mount a nuclear attack in Europe. Locke puts himself in the firing line after he neglects the mission in order to avenge his son's murder.

Episode 9 (Episode 9) 8.2
Air date: 2015-07-29
Runtime: 45 min
Overview: Locke takes Section 20 off the radar, as they defy Whitehall to travel to Geneva where he is convinced that Li-Na and Kwon are preparing to attack the United Nations HQ.

Episode 10 (Episode 10) 7.0
Air date: 2015-07-29
Runtime: 45 min
Overview: Scott and Stonebridge are stranded in the Alps with the mercenaries in pursuit. Scott knows that the CIA hide weapons caches across Europe, so they find a telephone at the farm of a retired Austrian soldier Oscar (Wolf Kahler) to call Christy Bryant (Stephanie Vogt), a past acquaintance from Vengeance, for the location of the nearest one, at a nearby dam.

Seasons

Episodes 6

Episodes 10

Episodes 10

Episodes 10

Episodes 10

Episodes 10

Episodes 10

Episodes 10

Episodes 6