每期选择中外8个左右选手,涵盖技能、体能、脑力等多个项目的极致挑战。节目在展示这些选手挑战各种不可能的任务和故事的同时,重点展现"挑战自我"和"认识自我"。共11期,前十期为晋级赛,最后一期为决赛盛典。。Horizon: The Truth About Looking Young Plastic surgeon Dr Rozina Ali leaves the operating theatre behind for the frontiers of skin science and asks if it is possible to make your skin look younger without surgery. She discovers the latest research about how the foods we eat can protect our skin from damage, and how a chemical found in a squid's eye is at the forefront of a new ...。