: Tensions between the "twisted sisters" reach a boiling point. Cristina betrays Meredith by using Meredith's 3D printer for her own research on a terminal baby, despite Meredith’s clear refusal.
: Fans remain divided over the betrayal. Many on Reddit felt Meredith was being overly possessive of her project, while others argued Cristina was out of line for going behind her friend's back. "Grey's Anatomy" Two Against One (TV Episode 2013) - IMDb [S10E8] Two Against One
: Shane Ross sides with Cristina against Meredith to use the 3D printer. : Tensions between the "twisted sisters" reach a
: Callie and Arizona are forced to navigate the presence of Owen’s new serious partner. [S10E8] Two Against One