Children in America are undergoing electric shock treatment in growing numbers. Now known as Electro Convulsive Therapy - or ECT - the controversial treatment is being used on severely autistic children who are prone to violent self-harming behaviour. For the first time, BBC cameras have been given access to film a child being treated using ECT. Our World's, Chris Rogers, meets the parents who say the treatment is improving their children's lives - and the critics who say it is barbaric.

纪念英国威尔士王妃戴安娜逝世20周年，威廉与哈里王子第一次在荧幕上谈及母亲，全片回顾了戴安娜王妃的生平，她从事的慈善活动，巨大的社会影响力，以及震惊世界的死亡。

从微小的昆虫到巨大的鲸鱼，这些都是进化的英雄，是无畏的士兵。它们有些是神出鬼没的刺客，有些是变幻莫测的伪装大师，有些是英姿飒爽的空中飞侠。虽然身份不同，生存环境迥异，但它们各有所职、各显其能，最终成为了大自然残酷游戏的全能战士。

Filmedfromtheperspectivesofdealers,usersandthepolice,DOPEtakesthetheviewerintotheheartofthewarondrugs.

《德云社丙申年封箱庆典 2017》是德云社的相声演员为观众呈现的精彩相声庆典。庆典呈现了多种形式的相声作品，带领观众体验相声的魅力。

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