watch 01:47 Wiki Targeted (Entertainment) Do you like this video? Play Sound The sentient nebulae of Blecplam Two and a Half. (COMIC: A New Beginning) The sentient nebulae of Blecplam Two and a Half was observed by the Thirteenth Doctor, Yasmin Khan, Graham O'Brien and Ryan Sinclair in 3912. There they encountered Leon Perkins's hand sticking out of a portal. The Doctor previously saw them in an earlier incarnation. (COMIC: A New Beginning) Retrieved from "https://tardis.fandom.com/wiki/Sentient_nebula?oldid=2970594" Categories: Nebulas + cat Cancel Save Community content is available under CC-BY-SA unless otherwise noted.