In the late summer of 2008 a Pacific Sun Cruise liner ran into treacherous waters 400 miles of the coast of New Zealand. What happened next was horrifiying. All objects (including tables, chairs, forklifts, and 1,700 passengers) were tossed back and forth with the sway of the cruise liner. P&O offered passengers a 25% discount on their next cruise- no word on if any of those offers have been redeemed. Video from CCTV was recorded inside the ship.
Presumably another video from inside the same ship.