Spoilers are precisely defined here. Rules vary by the story's medium. Info from television stories can't be added here until after the top or bottom of the hour, British time, closest to the end credits roll on BBC One. Therefore, fans in the Americas who are sensitive to spoilers should avoid Tardis on Sundays until they've seen the episode.
While Varunastra confirms that BBV Productions exists within the DWU, the placement of the logo on the spine does have some ambiguity surrounding it, as it could mean that the in-universe BBV produced the series in the 1950s or were simply responsible for distribution of the VHS tapes.
Marked for Life • Iris Wildthyme and the Celestial Omnibus • Iris Wildthyme's Old Flames • The Fabulously Priceless Baubles of the Dalek Supreme • The Maestro of Doom • The Mauve Autodidact • The Gilded Utensils • The Extremely Lively Planet • Iris Wildthyme's Seven of Thirteen • Iris Wildthyme's Goldfinger • Iris Wildthyme's Fabric of Time Itself (MIAOW) • Iris Wildthme's Wheezing, Groaning Enigma
Some categorisation may be based upon conjecture. Real world information should not enter into this. Additionally, a character's role in the DWU can differ from the real world - their placement here is for categorisation.