There were at least 2 separate and independent TV series, but I highly recommend going to the original: the 2 later novels from Douglas Adams, after he wrote th

There were at least 2 separate and independent TV series, but I highly recommend going to the original: the 2 later novels from Douglas Adams, after he wrote the Hitchhiker's Guide to the Galaxy. https://en.wikipedia.org/wiki/Dirk_Gently%27s_Holistic_Detective_Agency https://en.wikipedia.org/wiki/Dirk_Gently%27s_Holistic_Detec... https://en.wikipedia.org/wiki/The_Long_Dark_Tea-Time_of_the_Soul https://en.wikipedia.org/wiki/The_Long_Dark_Tea-Time_of_the_... In the novels, a stuck sofa is revealed to have got there because a retired Time Lord, Professor Urban Chronotis, briefly materialised his TARDIS in such a place it provided a doorway. So the books are extremely loosely tied into the Dr Who universe. Don't let this put you off.