"Tipping Point" was the 44th episode of The Dead Zone and the third season finale, airing on USA Network on 29 August 2004. It is the first half of a two-part episode that concluded with "Broken Circle."
Summary[]
Johnny and Rebecca go to the hospital for tests in order to stop Johnny's headaches and blackouts. Johnny is scheduled for surgery, but he leaves in order to try and stop Rebecca from exacting revenge on Stillson for his apparent murder of Rebecca's sister Rachel.