TV Supernatural - Season 2 Episode 20 : What Is and What Should Never Be Supernatural - Season 2 Episode 20 : What Is and What Should Never Be 8.3/10 by 7951 users Dean is attacked by a Djinn... and finds himself in a new reality where his mother is still alive and a mysterious woman holds the key to everything. Details Casts Posters Images Title Supernatural - Season 2 Episode 20 : What Is and What Should Never Be Alternative Titles 凶鬼恶灵, 邪恶力量, Zebunebrivi, Supernatural, SUPERNATURAL スーパーナチュラル, 슈퍼내츄럴, Сверхъестественное Subtitle Available ETC. First Air Date 2005-09-13 Last Air Date 2020-11-19 Number of Episodes 327 Number of Seasons 15 Genres Drama, Mystery, Sci-Fi & Fantasy, Networks The WB, The CW, Casts Jared Padalecki, Jensen Ackles, Misha Collins Plot Keywords , Sam Winchester Jared Padalecki Dean Winchester Jensen Ackles Castiel Misha Collins Episodes List Supernatural Season 2 :Episode 1 In My Time of Dying 2006-09-28 When they were boys, Sam and Dean Winchester lost their mother to a mysterious and demonic supernatural force. Subsequently, their father raised them... Supernatural Season 2 :Episode 2 Everybody Loves a Clown 2006-10-05 When they were boys, Sam and Dean Winchester lost their mother to a mysterious and demonic supernatural force. Subsequently, their father raised them... Supernatural Season 2 :Episode 3 Bloodlust 2006-10-12 When they were boys, Sam and Dean Winchester lost their mother to a mysterious and demonic supernatural force. Subsequently, their father raised them... Supernatural Season 2 :Episode 4 Children Shouldn't Play With Dead Things 2006-10-19 When they were boys, Sam and Dean Winchester lost their mother to a mysterious and demonic supernatural force. Subsequently, their father raised them... Supernatural Season 2 :Episode 5 Simon Said 2006-10-26 When they were boys, Sam and Dean Winchester lost their mother to a mysterious and demonic supernatural force. Subsequently, their father raised them... Supernatural Season 2 :Episode 6 No Exit 2006-11-02 When they were boys, Sam and Dean Winchester lost their mother to a mysterious and demonic supernatural force. Subsequently, their father raised them... Supernatural Season 2 :Episode 7 The Usual Suspects 2006-11-09 When they were boys, Sam and Dean Winchester lost their mother to a mysterious and demonic supernatural force. Subsequently, their father raised them... Supernatural Season 2 :Episode 8 Crossroad Blues 2006-11-16 When they were boys, Sam and Dean Winchester lost their mother to a mysterious and demonic supernatural force. Subsequently, their father raised them... Supernatural Season 2 :Episode 9 Croatoan 2006-12-07 When they were boys, Sam and Dean Winchester lost their mother to a mysterious and demonic supernatural force. Subsequently, their father raised them... Supernatural Season 2 :Episode 10 Hunted 2007-01-11 When they were boys, Sam and Dean Winchester lost their mother to a mysterious and demonic supernatural force. Subsequently, their father raised them... Supernatural Season 2 :Episode 11 Playthings 2007-01-18 When they were boys, Sam and Dean Winchester lost their mother to a mysterious and demonic supernatural force. Subsequently, their father raised them... Supernatural Season 2 :Episode 12 Nightshifter 2007-01-25 When they were boys, Sam and Dean Winchester lost their mother to a mysterious and demonic supernatural force. Subsequently, their father raised them... Supernatural Season 2 :Episode 13 Houses of the Holy 2007-02-01 When they were boys, Sam and Dean Winchester lost their mother to a mysterious and demonic supernatural force. Subsequently, their father raised them... Supernatural Season 2 :Episode 14 Born Under a Bad Sign 2007-02-08 When they were boys, Sam and Dean Winchester lost their mother to a mysterious and demonic supernatural force. Subsequently, their father raised them... Supernatural Season 2 :Episode 15 Tall Tales 2007-02-15 When they were boys, Sam and Dean Winchester lost their mother to a mysterious and demonic supernatural force. Subsequently, their father raised them... Supernatural Season 2 :Episode 16 Roadkill 2007-03-15 When they were boys, Sam and Dean Winchester lost their mother to a mysterious and demonic supernatural force. Subsequently, their father raised them... Supernatural Season 2 :Episode 17 Heart 2007-03-22 When they were boys, Sam and Dean Winchester lost their mother to a mysterious and demonic supernatural force. Subsequently, their father raised them... Supernatural Season 2 :Episode 18 Hollywood Babylon 2007-04-19 When they were boys, Sam and Dean Winchester lost their mother to a mysterious and demonic supernatural force. Subsequently, their father raised them... Supernatural Season 2 :Episode 19 Folsom Prison Blues 2007-04-26 When they were boys, Sam and Dean Winchester lost their mother to a mysterious and demonic supernatural force. Subsequently, their father raised them... Supernatural Season 2 :Episode 20 What Is and What Should Never Be 2007-05-03 When they were boys, Sam and Dean Winchester lost their mother to a mysterious and demonic supernatural force. Subsequently, their father raised them... Supernatural Season 2 :Episode 21 All Hell Breaks Loose (1) 2007-05-10 When they were boys, Sam and Dean Winchester lost their mother to a mysterious and demonic supernatural force. Subsequently, their father raised them... Supernatural Season 2 :Episode 22 All Hell Breaks Loose (2) 2007-05-17 When they were boys, Sam and Dean Winchester lost their mother to a mysterious and demonic supernatural force. Subsequently, their father raised them...