<P> As the third season begins, "In La O Na Makuahine", Wo Fat is on the verge of being transferred but the prison truck he is in is attacked . The truck is then transported by a helicopter and dropped into the ocean . Armed men in SCUBA cut through the truck's secure door with torches and kill the guards, resulting in Fat being freed . It is later revealed that Frank Delano is the man responsible for attacking the truck and breaking Wo Fat out . The two strike up a deal; Delano will be able to get stolen drugs off the island in exchange for giving Wo Fat the location of Shelburne, who happens to be Doris McGarrett, Steve's supposedly dead mother . Wo Fat eventually confronts Doris in Steve's home and the two exchange in a stand - off, holding each other at gunpoint . However, Doris fires three shots into the ground, giving Wo Fat time to escape although it's not known the extent of the relationship Doris has with Wo Fat . "In Hana I Wa' I", Wo Fat kidnaps a congressman and is about to kill him until a helicopter manned by Steve with Danny firing arrives on scene . Wo Fat exchanges gunfire with Danny before fleeing yet again . In "Imi Loko Ka' Uhane", Wo Fat returns, disguised as a police officer, and when reporter Savannah Walker interviews him during the show she videotaped about Five - 0, McGarrett notices Wo Fat and started to shoot him but he got away . Later in the episode, Five - 0 tracks him to the jungle where he gets severely injured when the helicopter he tries to escape in gets shot down . McGarrett refuses to kill him and instead sends him to the hospital with police guarding the hospital, where he is bandaged and handcuffed to the bed . In "Aloha, Malama Pono", Wo Fat is seen lying in a bed in a high risk detention facility at an unknown location with Steve standing in the room, staring at him . At the end of the episode, McGarrett pays him another visit and wants to know why his mother came to see him . Wo Fat agrees to tell him, but first McGarrett has to get Fat out of the jail . Then they both hear an explosion . Fat tells Steve that he is his protection because the unknown forces currently breaking down the door are not here to rescue him, but want him dead . </P> <P> As the fourth season begins, "In Aloha kekahi i kekahi", NLM terrorists attempt to kill Wo Fat but McGarrett saves him . Before Wo Fat is transferred to a Supermax facility in Colorado, McGarrett wants an answer from Wo Fat why Doris visited him . Fat says she wanted to apologize to him for killing his father . In "O ka Pili'Ohana ka' Oi", he is given medication in his solitary confinement cell by an officer for his heart condition . He is asked to swallow the medication and open his mouth so that it is certain he ingested it . Wo Fat hides the pills well in his mouth and reaches inside his toilet to reveal that this is not the first time he has faked it . He then uses the medication along with paint thinner and fertilizer from the jail, to craft an explosion to take out a wall in his cell to escape . He is positively IDed at a gas station near Colorado Springs, pouring gasoline on someone, lighting them on fire, then stealing their truck to head back to Oahu . After Grover's daughter Samantha is freed from Ian Wright's capture, she tells everyone that a man, revealed to be Wo Fat, killed Ian and released her . McGarrett is given a message from Samantha that Wo Fat will see him soon . </P> <P> In the 100th episode, "Ina Paha", Wo Fat abducts Steve and tortures him in order to try to learn where he believes the U.S. government is holding his father . During the torture, he tells Steve that Doris had adopted him from the streets after her op went bad and his mother was killed . Doris raised him for some time before she was forced by the CIA to abandon him . After a long fight, Steve kills Wo Fat . His last words were, "You're not going to kill me . Are you...Brother?" </P> <Ul> <Li> "Hana ʻaʻa Makehewa" - Season 1, Episode 12 (December 13, 2010) </Li> <Li> "Ke Kinohi" - Season 1, Episode 13 (January 3, 2011) </Li> <Li> "Ne Meʻe Laua Na Paio" - Season 1, Episode 19 (March 21, 2011) </Li> <Li> "Oiaʻiʻo" - Season 1, Episode 24 (May 16, 2011) </Li> <Li> "Haʻiʻole" - Season 2, Episode 1 (September 19, 2011) </Li> <Li> "Ka Hakaka Maikai" - Season 2, Episode 6 (October 24, 2011) </Li> <Li> "Kiʻilua" - Season 2, Episode 10 (November 21, 2011) </Li> <Li> "Ua Hopu" - Season 2, Episode 22 (May 7, 2012) </Li> <Li> "La O Na Makuahine" - Season 3, Episode 1 (September 24, 2012) </Li> <Li> "Hana I WaʻIa" - Season 3, Episode 14 (January 21, 2013) </Li> <Li> "Imi Loko Ka ʻUhane" - Season 3, Episode 21 (April 29, 2013) </Li> <Li> "Aloha, Malama Pono" - Season 3, Episode 24 (May 20, 2013) </Li> <Li> "Aloha Ke Kahi I Ke Kahi" - Season 4, Episode 1 (September 27, 2013) </Li> <Li> "O ka PiliʻOhana ka ʻOi" - Season 4, Episode 22 (May 9, 2014) </Li> <Li> "Ina Paha" - Season 5, Episode 7 (November 7, 2014) </Li> </Ul>

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