The merger has begun, so has the competition. Next week on "Grey's Anatomy", the residents of Seattle Grace and Mercy West vie for surgeries and their careers as day one of the hospital merger begins. The preview released for the episode reveals that the Chief will finally deliberate who will be let go from the hospital.
Meanwhile, Arizona stands by an enraged Callie when her father, Mr. Torres, employs a priest to help convince her to date men. Izzie experiences the brunt of her new surgical competition. "Invasion" is set to air on Thursday, October 15.
The team from Mercy includes Dr. Jackson Avery (Jesse Williams), Dr. Reed Adamson (Nora Zehetner), Dr. Charles Percy (Robert Baker) and Dr. April Kepner (Sarah Drew). According to the respective depicters, Jackson will have a spat with Cristina while Reed is involved in a best surgeries competition with Izzie, Alex and Cristina. Charles is having problem with Izzie while April is undermining Lexie.