Continuity mistake: A surfer snaps his neck while trying ride a dangerous wave. Afterwards the surfer is washed ashore. He is out of the water, but when the lifeguards arrive he is offshore again. (00:32:05)
Visible crew/equipment: As you see the surfer starting his ride the camera goes underwater, briefly revealing one or two scuba divers and a gadget (most likely a camera). (00:32:30)
Answer: It's called Promised Land from Season 5 Episode 20.
Rob245