Clipping from a March issue of TV Guide about Grey's Anatomy 8x17 'One Step Too Far', guest starring Summer Glau, that aired on March 15th, 2012 on ABC.
Cristina (Sandra Oh) becomes increasingly suspicious of Owen’s every move. She suspects Owen (Kevin McKidd) is cheating on her with nurse Emily (Summer Glau).
Magazine Scans > Scans from 2012 > TV Guide - March 2012
Here's the promo trailer for the episode: