TV Castle - Season 2 Episode 4 : Fool Me Once Castle - Season 2 Episode 4 : Fool Me Once 7.975/10 by 2009 users When an Arctic explorer is killed during a polar expedition, the mysterious circumstances of his death take Castle and Beckett from the penthouses of Park Avenue to the halls of the CIA. But Castle's delight at the case's many twists and turns soon turns to frustration as he realizes that their elusive killer might just be fooling them all. Details Casts Posters Images Title Castle - Season 2 Episode 4 : Fool Me Once Alternative Titles Касъл, Castke, Κάστρο, کسل First Air Date 2009-03-09 Last Air Date 2016-05-16 Number of Episodes 173 Number of Seasons 8 Genres Drama, Crime, Networks ABC, Casts Nathan Fillion, Stana Katic, Molly C. Quinn, Jon Huertas, Seamus Dever, Susan Sullivan, Tamala Jones, Toks Olagundoye Plot Keywords , Richard Castle Nathan Fillion Kate Beckett Stana Katic Alexis Castle Molly C. Quinn Javier Esposito Jon Huertas Kevin Ryan Seamus Dever Martha Rodgers Susan Sullivan Lanie Parish Tamala Jones Hayley Shipton Toks Olagundoye Episodes List Castle Season 2 :Episode 1 Deep in Death Deep in Death 2009-09-21 After a serial killer imitates the plots of his novels, successful mystery novelist Richard "Rick" Castle receives permission from the Mayor of New... Castle Season 2 :Episode 2 The Double Down The Double Down 2009-09-28 After a serial killer imitates the plots of his novels, successful mystery novelist Richard "Rick" Castle receives permission from the Mayor of New... Castle Season 2 :Episode 3 Inventing the Girl Inventing the Girl 2009-10-05 After a serial killer imitates the plots of his novels, successful mystery novelist Richard "Rick" Castle receives permission from the Mayor of New... Castle Season 2 :Episode 4 Fool Me Once Fool Me Once 2009-10-12 After a serial killer imitates the plots of his novels, successful mystery novelist Richard "Rick" Castle receives permission from the Mayor of New... Castle Season 2 :Episode 5 When the Bough Breaks When the Bough Breaks 2009-10-19 After a serial killer imitates the plots of his novels, successful mystery novelist Richard "Rick" Castle receives permission from the Mayor of New... Castle Season 2 :Episode 6 Vampire Weekend Vampire Weekend 2009-10-26 After a serial killer imitates the plots of his novels, successful mystery novelist Richard "Rick" Castle receives permission from the Mayor of New... Castle Season 2 :Episode 7 Famous Last Words Famous Last Words 2009-11-02 After a serial killer imitates the plots of his novels, successful mystery novelist Richard "Rick" Castle receives permission from the Mayor of New... Castle Season 2 :Episode 8 Kill the Messenger Kill the Messenger 2009-11-09 After a serial killer imitates the plots of his novels, successful mystery novelist Richard "Rick" Castle receives permission from the Mayor of New... Castle Season 2 :Episode 9 Love Me Dead Love Me Dead 2009-11-16 After a serial killer imitates the plots of his novels, successful mystery novelist Richard "Rick" Castle receives permission from the Mayor of New... Castle Season 2 :Episode 10 One Man's Treasure One Man's Treasure 2009-11-23 After a serial killer imitates the plots of his novels, successful mystery novelist Richard "Rick" Castle receives permission from the Mayor of New... Castle Season 2 :Episode 11 The Fifth Bullet The Fifth Bullet 2009-12-07 After a serial killer imitates the plots of his novels, successful mystery novelist Richard "Rick" Castle receives permission from the Mayor of New... Castle Season 2 :Episode 12 A Rose for Everafter A Rose for Everafter 2010-01-11 After a serial killer imitates the plots of his novels, successful mystery novelist Richard "Rick" Castle receives permission from the Mayor of New... Castle Season 2 :Episode 13 Sucker Punch Sucker Punch 2010-01-18 After a serial killer imitates the plots of his novels, successful mystery novelist Richard "Rick" Castle receives permission from the Mayor of New... Castle Season 2 :Episode 14 The Third Man The Third Man 2010-01-25 After a serial killer imitates the plots of his novels, successful mystery novelist Richard "Rick" Castle receives permission from the Mayor of New... Castle Season 2 :Episode 15 Suicide Squeeze Suicide Squeeze 2010-02-08 After a serial killer imitates the plots of his novels, successful mystery novelist Richard "Rick" Castle receives permission from the Mayor of New... Castle Season 2 :Episode 16 The Mistress Always Spanks Twice The Mistress Always Spanks Twice 2010-03-08 After a serial killer imitates the plots of his novels, successful mystery novelist Richard "Rick" Castle receives permission from the Mayor of New... Castle Season 2 :Episode 17 Tick, Tick, Tick... (1) Tick, Tick, Tick... (1) 2010-03-22 After a serial killer imitates the plots of his novels, successful mystery novelist Richard "Rick" Castle receives permission from the Mayor of New... Castle Season 2 :Episode 18 Boom! (2) Boom! (2) 2010-03-29 After a serial killer imitates the plots of his novels, successful mystery novelist Richard "Rick" Castle receives permission from the Mayor of New... Castle Season 2 :Episode 19 Wrapped Up in Death Wrapped Up in Death 2010-04-05 After a serial killer imitates the plots of his novels, successful mystery novelist Richard "Rick" Castle receives permission from the Mayor of New... Castle Season 2 :Episode 20 The Late Shaft The Late Shaft 2010-04-12 After a serial killer imitates the plots of his novels, successful mystery novelist Richard "Rick" Castle receives permission from the Mayor of New... Castle Season 2 :Episode 21 Den of Thieves Den of Thieves 2010-04-19 After a serial killer imitates the plots of his novels, successful mystery novelist Richard "Rick" Castle receives permission from the Mayor of New... Castle Season 2 :Episode 22 Food to Die For Food to Die For 2010-05-03 After a serial killer imitates the plots of his novels, successful mystery novelist Richard "Rick" Castle receives permission from the Mayor of New... Castle Season 2 :Episode 23 Overkill Overkill 2010-05-10 After a serial killer imitates the plots of his novels, successful mystery novelist Richard "Rick" Castle receives permission from the Mayor of New... Castle Season 2 :Episode 24 A Deadly Game A Deadly Game 2010-05-17 After a serial killer imitates the plots of his novels, successful mystery novelist Richard "Rick" Castle receives permission from the Mayor of New...