Re: Best Season-long Story arc
Full Circle introduces the CVEs and E-Space, key to Logopolis, and Warriors Gate depicts entropic collapse on a smaller scale.
I suppose that argument could be made, but truthfully that wasn't the intent. Really since it was Tom Baker's final season and he was ill though some of it, his Doctor seem to be the greatest victim of the entropy.
The greatest science fiction series of all time is
Doctor Who! And I'll take you all on, one-by-one
or all in a bunch to back it up!"
--- Harlan Ellison, from his introduction
to the PINNACLE series of Doctor Who books