UPDATE: New sneak peek - Cristina and intern
"Bad Blood" - As Derek and April work around the clock to find a solution for the hospital, Cristina struggles to respect the wishes of a family whose son is dying. Meanwhile, Arizona empathizes with a teenager who faces problems similar to her own, on "Grey's Anatomy," THURSDAY, JANUARY 31 on ABC.
A few more non-Cristina sneak peeks here.