You pretty much can’t. There used to be genre Spoken Word but they seem to have got rid of it. I just knew that Doctor Who audio is on Spotify. Maybe you can google for them
How do you locate audiobooks on Spotify?
Also available on Spotify if you have that. As are many other Doctor Who stories
Loved John Pertwee, but the definitive Dr Who must be Tom Baker, this isn't an age thing, it's an actor/character choice... like Bond, for me Sir Roger Moore was the definitive bond, then Connery, then Brosnan... Craig is nothing like bond... more thick upper lip, than stiff upper lip :) Pertwee went on to be the nations fav scarecrow :)