Johnny slips off the edge of the cliff. Ryan runs and grabs over the edge. We hear a scream. Marissa covers Kaitlin's face. We hear a bottle crash on the ground; we don't hear the thud of a body hitting the ground. But then we see Ryan's hand dangling off the edge of the cliff, and it's empty. From the look on Ryan's face, Johnny's prognosis doesn't look good. But you'll have to watch next week to find out for sure.
By the way, Fox would like you to know that tonight's episode featured music by the band Rock Kills Kid, which may only exist to serve as a humorous coda to a mostly silly episode. I'm surprised they didn't add that we also heard from James Blunt in honor of Seth.