<Tr> <Th> 126 </Th> <Td> 24 </Td> <Td> "Death and All His Friends" </Td> <Td> Rob Corn </Td> <Td> Shonda Rhimes </Td> <Td> May 20, 2010 (2010 - 05 - 20) </Td> <Td> 16.13 </Td> </Tr> <Tr> <Td_colspan="7"> With the crisis unfolding, each character is put through extreme trials and tribulations . Cristina is put under pressure to save Derek, who has been shot . Arizona and Callie reinstate their relationship when Callie says she doesn't want to have a baby if it means she can't be with Arizona . Arizona agrees to have a baby because she said that she didn't want to stop Callie from being an excellent mother . Bailey tries to save Charles Percy, who has been shot by the shooter, with limited resources . The shooter walks into the OR where Cristina and Jackson are trying to save Derek and Jackson pretends to stop saving Derek so that the shooter goes away . Meredith thinks that Derek is going to die, and has a miscarriage . Owen realizes that he loves Cristina, and chooses her over Teddy . </Td> </Tr> <Table> <Tr> <Th> No. in series </Th> <Th> No. in season </Th> <Th> Episode </Th> <Th> Air date </Th> <Th> Time slot (EST) </Th> <Th> Rating / Share (18--49) </Th> <Th> Viewers (m) </Th> </Tr> <Tr> <Td> 103 </Td> <Td> </Td> <Td> "Good Mourning" </Td> <Td> September 24, 2009 (2009 - 09 - 24) </Td> <Td> Thursdays 9: 00 p.m. </Td> <Th> 6.7 / 17 </Th> <Th> 17.03 </Th> </Tr> <Tr> <Td> 104 </Td> <Td> </Td> <Td> "Goodbye" </Td> <Td> September 24, 2009 (2009 - 09 - 24) </Td> <Th> 6.7 / 17 </Th> <Th> 17.03 </Th> </Tr> <Tr> <Td> 105 </Td> <Td> </Td> <Td> "I Always Feel Like Somebody's Watchin' Me" </Td> <Td> October 1, 2009 (2009 - 10 - 01) </Td> <Th> 6.1 / 16 </Th> <Th> 15.69 </Th> </Tr> <Tr> <Td> 106 </Td> <Td> </Td> <Td> "Tainted Obligation" </Td> <Td> October 8, 2009 (2009 - 10 - 08) </Td> <Th> 5.4 / 14 </Th> <Th> 14.17 </Th> </Tr> <Tr> <Td> 107 </Td> <Td> 5 </Td> <Td> "Invasion" </Td> <Td> October 15, 2009 (2009 - 10 - 15) </Td> <Th> 5.0 / 13 </Th> <Th> 13.79 </Th> </Tr> <Tr> <Td> 108 </Td> <Td> 6 </Td> <Td> "I Saw What I Saw" </Td> <Td> October 22, 2009 (2009 - 10 - 22) </Td> <Th> 5.3 / 14 </Th> <Th> 14.67 </Th> </Tr> <Tr> <Td> 109 </Td> <Td> 7 </Td> <Td> "Give Peace a Chance" </Td> <Td> October 29, 2009 (2009 - 10 - 29) </Td> <Th> 5.2 / 13 </Th> <Th> 13.74 </Th> </Tr> <Tr> <Td> 110 </Td> <Td> 8 </Td> <Td> "Invest in Love" </Td> <Td> November 5, 2009 (2009 - 11 - 05) </Td> <Th> 5.1 / 13 </Th> <Th> 13.95 </Th> </Tr> <Tr> <Td> 111 </Td> <Td> 9 </Td> <Td> "New History" </Td> <Td> November 12, 2009 (2009 - 11 - 12) </Td> <Th> 5.6 / 14 </Th> <Th> 14.87 </Th> </Tr> <Tr> <Td> 112 </Td> <Td> 10 </Td> <Td> "Holidaze" </Td> <Td> November 19, 2009 (2009 - 11 - 19) </Td> <Th> 5.1 / 13 </Th> <Th> 14.07 </Th> </Tr> <Tr> <Td> 113 </Td> <Td> 11 </Td> <Td> "Blink" </Td> <Td> January 14, 2010 (2010 - 01 - 14) </Td> <Th> 4.8 / 12 </Th> <Th> 12.73 </Th> </Tr> <Tr> <Td> 114 </Td> <Td> 12 </Td> <Td> "I Like You So Much Better When You're Naked" </Td> <Td> January 21, 2010 (2010 - 01 - 21) </Td> <Th> 4.7 / 12 </Th> <Th> 12.65 </Th> </Tr> <Tr> <Td> 115 </Td> <Td> 13 </Td> <Td> "State of Love and Trust" </Td> <Td> February 4, 2010 (2010 - 02 - 04) </Td> <Th> 4.5 / 12 </Th> <Th> 12.55 </Th> </Tr> <Tr> <Td> 116 </Td> <Td> 14 </Td> <Td> "Valentine's Day Massacre" </Td> <Td> February 11, 2010 (2010 - 02 - 11) </Td> <Th> 4.4 / 11 </Th> <Th> 12.74 </Th> </Tr> <Tr> <Td> 117 </Td> <Td> 15 </Td> <Td> "The Time Warp" </Td> <Td> February 18, 2010 (2010 - 02 - 18) </Td> <Th> 3.7 / 9 </Th> <Th> 10.21 </Th> </Tr> <Tr> <Td> 118 </Td> <Td> 16 </Td> <Td> "Perfect Little Accident" </Td> <Td> March 4, 2010 (2010 - 03 - 04) </Td> <Th> 4.0 / 11 </Th> <Th> 11.83 </Th> </Tr> <Tr> <Td> 119 </Td> <Td> 17 </Td> <Td> "Push" </Td> <Td> March 11, 2010 (2010 - 03 - 11) </Td> <Th> 3.9 / 11 </Th> <Th> 10.96 </Th> </Tr> <Tr> <Td> 120 </Td> <Td> 18 </Td> <Td> "Suicide is Painless" </Td> <Td> March 25, 2010 (2010 - 03 - 25) </Td> <Th> 3.7 / 10 </Th> <Th> 11.57 </Th> </Tr> <Tr> <Td> 121 </Td> <Td> 19 </Td> <Td> "Sympathy for the Parents" </Td> <Td> April 1, 2010 (2010 - 04 - 01) </Td> <Th> 3.5 / 11 </Th> <Th> 9.69 </Th> </Tr> <Tr> <Td> 122 </Td> <Td> 20 </Td> <Td> "Hook, Line and Sinner" </Td> <Td> April 29, 2010 (2010 - 04 - 29) </Td> <Th> 3.8 / 11 </Th> <Th> 10.47 </Th> </Tr> <Tr> <Td> 123 </Td> <Td> 21 </Td> <Td> "How Insensitive" </Td> <Td> May 6, 2010 (2010 - 05 - 06) </Td> <Th> 3.8 / 11 </Th> <Th> 11.03 </Th> </Tr> <Tr> <Td> 124 </Td> <Td> 22 </Td> <Td> "Shiny Happy People" </Td> <Td> May 13, 2010 (2010 - 05 - 13) </Td> <Th> 3.9 / 11 </Th> <Th> 11.05 </Th> </Tr> <Tr> <Td> 125 </Td> <Td> 23 </Td> <Td> "Sanctuary" </Td> <Td> May 20, 2010 (2010 - 05 - 20) </Td> <Th> 4.9 / 14 </Th> <Th> 13.93 </Th> </Tr> <Tr> <Td> 126 </Td> <Td> 24 </Td> <Td> "Death and All His Friends" </Td> <Td> May 20, 2010 (2010 - 05 - 20) </Td> <Th> 5.9 / 17 </Th> <Th> 16.13 </Th> </Tr> </Table> <Tr> <Th> No. in series </Th> <Th> No. in season </Th> <Th> Episode </Th> <Th> Air date </Th> <Th> Time slot (EST) </Th> <Th> Rating / Share (18--49) </Th> <Th> Viewers (m) </Th> </Tr>

What season is it when derek gets shot