Doctor Who and the Planet of the Spiders

The Doctor smiled. ‘Oh, I know that. Now why should a
man with the powers he has use cheap tricks?’
The Brigadier was exasperated. ‘How do you know he’s got
any powers?’
‘Vibrations,’ said the Doctor mysteriously. ‘Couldn’t you feel
them?’
‘Frankly, no.’
The Doctor rubbed his chin thoughtfully. ‘I’ve asked
Professor Clegg to visit UNIT tomorrow morning. Perhaps I can
persuade him to give you a little demonstration of his real
powers...’
Even the Doctor didn’t realise that his interest in Professor
Clegg was to be the prelude to the most dangerous adventure of
his life.
Sarah Jane Smith flicked through her magazine for the tenth
time, realised she wasn’t taking in a single word, and threw it on
the seat. She looked out of the window. The little local diesel was
chugging steadily along through a very pretty rural landscape,
the rolling fields stretching away on all sides. ‘Very picturesque,’
she thought, ‘but I really shouldn’t be here at all. I’m supposed
to be in London, researching a story on grass-roots resistance to
property speculators for that magazine.’ Although Sarah was
technically a free-lance, the magazine was by far her most
regular source of work, and it wouldn’t do to offend them. If
Mike Yates hadn’t sounded so desperate over the telephone...
It wasn’t even as if she knew him all that well. They’d met
during the time when London was being terrorised by
prehistoric monsters brought back from the past. Yates, at this
time still the Brigadier’s trusted No. 2, had been tense and
withdrawn. Naturally enough since, as they’d later discovered,
he’d been won over to the other side and was secretly working
against them. When the whole affair was finally over, Captain