Contestant injured while doing stunt at German reality TV show on which Justin Bieber was to appear

 Samuel Koch jumps over a car during the 192th 'Wetten, dass ...?' show at the exhibition hall Dusseldorf on Dec. 4, in Duesseldorf, Germany. Koch tried to jump over a moving car, driven by his father, wearing "Kangaroo" shoes when he hit the car with his head and fell to the ground. The show was immediately stopped and Koch was reported to be recovering in hospital. Canadian teen idol Justin Bieber was due to make an appearance on the canceled show and
asked his Twitter followers to pray for Koch. Andreas Rentz / Getty Images

German TV host Thomas Gottschalk right, watches over contestant Samuel Koch after a stunt went wrong during the top rated German game show "Wetten Dass" (Bet it...?) in Duesseldorf, Saturday, Dec. 4. Ralph Orlowski / AP