主持人达拉斯·坎贝尔带着令人难以置信的《无厘头科学研究所》第七季回归，该节目将严肃的科学与一些有史以来最疯狂、最壮观的实拍片段结合在一起。每一期节目中都会播放40到50段不幸事件的片段，观众会看到普通人犯下了不寻常的错误并因此而付出了代价，节目组会借助定制动画和超级慢镜头来分析这些不幸事件背后的科学原理。在第七季中，主持人达拉斯·坎贝尔检查了在黑冰上驾驶，食品搅拌机，巨大的充气机，操场旋转器，电力线和平行停车等物品和操作有多危险。
尤金李维踏出舒适圈，造访世上各种迷人的旅游胜地。
跟第一季一样，还是从Naked and Afraid《原始生活21天》好几季里选了12个选手继续扩大求生天数到40天。
《原始生活21天》里好几季里选出几个有争议的或是求生能力强的选手，让他们再度分成四组去非洲挑战赤裸裸求生40天
资深生存主义者尝试在荒凉、危险的环境中生存21天。为了争夺有限的食物、水和住所，男性和女性都必须挑战人类耐力的极限，同时还要避开对地盘敏感的食肉动物和充满毒液的爬行动物。因为别无选择，竞争者们很快就了解了彼此以及他们周围的环境，他们还希望自己的本能、生存技能和勇气能很好地为他们服务。
二十返回漂流，那些投票的球迷，抵达柬埔寨，南中国海的一个岛屿，有第二次机会为第三十一赛季开始获得最高1000000美元的奖金
艾伦·德杰尼勒斯的最后一部单口喜剧。
一男一女两位生存专家醒来惊讶地发现自己处在一个偏远而荒凉的地方。毫无装备、浑身赤裸的他们需要在此生存21天。
极速前进（The Amazing Race），是一个真人秀节目，一群人环游世界进行竞速比赛。CBS从2001年开始按季播出。比赛从**开始，也在**结束。各队必须按照信息提示周游世界。最先到达终点的队伍将赢得100万美元大奖。
1"South Island"July 18, 2011 Bear Grylls must fling himself out of a plane and parachute to safety to reach this remote area. Crossing the country's highest mountain range and starting a fire in a waterlogged forest are just some of the unpredictable things he faces in this terrain. 2"Fire And Ice"July 25, 2011 Bear Grylls is dropped on an ice cap covering an active volcano. In blizzard conditions he struggles to make headway, and the barren land offers little food. Can he reach civilization when faced with swollen river crossings and ever present flash floods? 3"Red Rock Country" August 12, 2011 Bear Grylls is in red rock country - southern Utah. Armed only with a lasso, he descends a rock pinnacle and gets trapped in a narrow gorge. Crossing an arid wilderness, he's left hanging 100 ft above a ravine. And Bear's craziest airplane stunt ever! 4"Land of The Maori"August 19, 2011 Over 100 people drown each year in New Zealand, and Bear must cross a raging river on a tree trunk to head toward civilization. On his journey to safety he runs out of water, is forced to climb up active volcanic ranges and scale down a waterfall. 5"Working the Wild"November 29, 2011 Bear Grylls takes the viewer behind the scenes to meet the crew that follows his every step. Whether he's jumping from helicopters or eating the unimaginable, the camera is never far away from the action. Now the crew gets to tell their side of the story.
Two naked survivalists are challenged to survive for 21 days in the Costa Rican rainforest, despite a deadly snake bite on a producer. Kim is paired with Shane. They encounter challenges including rain, illness, shelter fire, and a snake attack.
