[s4e2] Love/addiction -

Watch a recap of the episode's themes and major character developments here:

Meredith and Derek continue their "friends with benefits" arrangement, which Derek eventually admits feels more like an addiction than a healthy relationship. [S4E2] Love/Addiction

The episode explores various forms of "addiction"—from chemical dependency to toxic emotional attachments—as the staff at Seattle Grace Hospital treats victims of a massive apartment explosion. Main Plotlines Watch a recap of the episode's themes and

Jane Burke returns to the hospital to collect her son Preston's belongings following his departure. Cristina, meanwhile, begins trading her unwanted wedding gifts for surgeries and favors from other doctors. is the second episode of the fourth season

The residents and interns treat victims of a massive apartment fire caused by a meth lab explosion. Alex Karev deals with a particularly difficult case involving a baby who suffered a stroke due to the meth lab environment.

is the second episode of the fourth season of the medical drama series Grey's Anatomy .