<Tr> <Td_colspan="7"> Nathan and Meredith end up on a flight to a conference together . She tries to ignore his moves but ends up having sex with him in the bathroom, insisting it doesn't mean anything . After heavy turbulence hits, Meredith and Nathan tend to the injured while receiving help from Harrison Peters, a pediatric dentist . In a quiet moment, Meredith tells Nathan about her own plane crash and losing her sister Lexie . One of their patients starts showing signs of an epidural brain bleed while the pilot is unable to land the plane because it's caught between two storm systems . Meredith continuously has to relieve pressure on the man's brain with a needle and syringe on the shaky plane, while Nathan has to save a man with pulmonary hypertension . When the plane finally lands, Nathan questions how Meredith can still be scared of letting go of Derek and starting something with him . She then decides to ignore her fear of yet again losing someone she cares about, and agrees to give it a chance . </Td> </Tr> <Tr> <Th> 290 </Th> <Td> 21 </Td> <Td> "Don't Stop Me Now" </Td> <Td> Louis Venosta </Td> <Td> Andy Reaser </Td> <Td> April 27, 2017 (2017 - 04 - 27) </Td> <Td> 7.02 </Td> </Tr> <Tr> <Td_colspan="7"> April, Andrew, Stephanie, and Richard have bad news for their patient and her new boyfriend when she turns out to have worms breeding in her intestines. Bailey enlists April's help to get Catherine and Richard back together, but it turns out that Bailey's similarity to Catherine is the key . During a press conference about the events on the plane, Maggie derives that something happened between Nathan and Meredith . Meredith tries to explain things to an angry Maggie and ask for her forgiveness . Alex's pregnant patient with pancreatic cancer from the Clinic returns to the hospital . Her cancer has metastasized to her spine, messing up the parents' plan for the future . The case strikes a chord with Amelia in particular . </Td> </Tr> <Tr> <Th> 291 </Th> <Td> 22 </Td> <Td> "Leave It Inside" </Td> <Td> Zetna Fuentes </Td> <Td> Elisabeth R. Finch </Td> <Td> May 4, 2017 (2017 - 05 - 04) </Td> <Td> 7.09 </Td> </Tr>

Where did jo wilson go in season 13