To celebrate the anxiously-anticipated return of Fox's most gripping drama in the revived 12-episode event series 24: Live Another Day, The Hollywood Reporter looked back at some of Jack Bauer's biggest and most brutal moments since the series premiered in November 2001.
Over the years, the Counter Terrorist Unit's most proficient agent has shot, stabbed, suffocated and even bitten his enemies while attempting to ward off terrorism plots, presidential assassinations and threats to his family and loved ones.
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Jack Kills a Member of the FBI Witness Protection Program and Delivers His Head to a Former Gang Member
Season Two, 8 a.m.-9 a.m.
Former militia member Marshall Goren came to a very messy demise despite being a member of the FBI's witness protection program. While he was being held in downtown Los Angeles, Jack first shot Goren then went to extreme measures after deciding he needed his severed head to establish cover with a terrorist organization. "I'm gonna need a hacksaw," he growled.
Jack Kills a Guy With a Flare Gun
Season Two, 4 p.m.-5 p.m.
Known as one of Bauer's best kills -- as well as spawning one of his cheesiest lines -- Jack tapped into his inner Arnold Schwarzenegger when he blew a Coral Snake mercenary away with a flare gun, telling him: "You're fired!"
Jack Develops a Heroin Addiction
Season Three
Even Bauer wasn't immune to the temptations of heroin when he went undercover with a gang run by Mexican drug lord, Ramon Salazar. Jack took heroin to maintain his cover and got hooked, but going cold turkey to battle his addiction still didn't slow down his efforts to stop the sale of the Cordilla virus and keep daughter, Kim (Elisha Cuthbert), out of danger.
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Jack Executes Ryan Chappelle
Season Three, 6 a.m.-7 a.m.
In one of the most chilling moments of the season, Jack executed his boss, CTU director Ryan Chappelle on the direction of the president to save the world from a deadly biological virus attack.
Jack Plays Russian Roulette In a Prison
Season Three, 5 p.m.-6p.m.
Infiltrating a prison was just the first challenge for Jack, who then had to play Russian roulette with Salazar after a prison guard called Buchanan shot himself in the head. Not knowing whether the gun was loaded or not when it came to his round, Bauer calmly pulled the trigger the first time and had a lucky escape, and on his second go he flipped it around and shot the lead prisoner.
Jack Tortures Paul Raines With a Wire
Season Four
Being his girlfriend Audrey's ex-husband could have been motivation enough for Bauer to electrocute Paul Raines with a wire, and finding his name on the lease of a building used by terrorists was even more added incentive (however, Paul went on to cooperate with Jack).
Jack Breaks Into the Chinese Consulate
Season Four, 2 a.m.-3 a.m.
Breaking international law and countless CTU rules, Bauer went rogue and conducted a raid on a Chinese consulate to extract Lee Jong, who he believed knew how to reprogram a nuclear detonator, resulting in a shoot out that inevitably led to Paul Raines' death.
Jack Knifes an Enemy Soldier in the Neck
Season Four, 7 p.m.-8 p.m.
Bauer got up close and personal when he killed Specter (the leader of a mercenary group played by Christopher B. Duncan) by stabbing him in the neck with a Microtech Halo III knife while he was hiding out in a clothing store.