'Joko gegen Klaas - Das Duell um die Welt' (in English, 'Joko vs Klaas - The Battle around the World') is an ongoing German reality series that premeired in 2012. The hosts, Joachim 'Joko' Winterscheidt and Klaas Heufer-Umlauf, give each other a series of challenges around the world. One such challenge is 'Fetti muss platzen' (Fetti must burst) where one must wear a rubber suit that inflates with air until they answer ten questions while surrounded by sharp objects. If they don't, then the suit bursts.

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