In , titled " Love/Addiction " , the staff of Seattle Grace treats victims of a massive apartment explosion that turns out to have been a meth lab. The episode explores the destructive nature of various "addictions," ranging from drugs to complicated romantic entanglements. Key Plot Developments
: Jane Burke arrives to collect her son Preston’s belongings after he left Seattle. Her presence forces Cristina Yang to finally confront the reality of her failed wedding. Watch www xrysois se Greys Anatomy S04E02
: Derek Shepherd realizes he is "addicted" to his non-committal relationship with Meredith, which they jokingly refer to as "S&M" (sex and mockery). In , titled " Love/Addiction " , the
: George O'Malley tells Izzie Stevens he loves her, but Callie Torres, struggling as the new Chief Resident, begs George not to "have the talk" with her yet. Where to Watch Her presence forces Cristina Yang to finally confront