Initially pretty unloved by Doctor Who fandom, Horror of Fang Rock is one of those stories whose reputation has grown over the last few decades. Now, it's viewed as one of Tom Baker's very best.
And if there's one thing that author Terrance Dicks, a veteran of the series, understood, it's that Doctor Who is the Doctor's show. This means that the story is a wonderful showcase for Tom Baker, who dominates every scene he's in and gets some great lines.
With only a few sets and a small cast, Horror of Fang Rock is an ideal candidate for an audio release. Louise Jameson provides descriptive links for visual scenes and she also gives an interesting interview. Script PDF's are a nice bonus as well.
A spooky classic that works well in the audio format.