20年前，《神秘博士》在威尔士开拍。这部有趣而有见地的纪录片给出了演员、工作人员和编剧的内部秘密，过去和现在，包括舒提·加特瓦、大卫·田纳特、朱迪·惠特克、比利·派珀、凯伦·吉兰等。

A brand new 30 minute access all areas show, Doctor Who: Unleashed will give viewers an unmissable insight into the world of Doctor Who. 　　Host Steffan Powell (BBC Gaming Correspondent and former Radio 1 Newsbeat Presenter) has been given the keys to the TARDIS and, after every episode of Doctor Who, viewers can switch over to BBC Three or iPlayer as Steffan takes viewers on a journey showing them just how this out of this world drama is made. 　　With exclusive interviews with the stars in front of the camera, as well as those behind it, Unleashed is the ultimate companion to Doctor Who.

大卫·田纳特惊喜回归，出演第14任博士！凯瑟琳·塔特回归饰演Donna Noble！《性教育》舒提·盖特瓦饰演第15任博士，《心跳漏一拍》雅斯敏·芬尼饰演Rose，尼尔·帕特里克·哈里斯饰演神秘反派玩具制造者！