Dear Dr Who experts...

[Nicholas Clark]

Dear Dr Who experts (I'm sure that there are many here)...

IIRC there's a scene in an episode of Dr Who (in Tom Baker's time) where
the Doctor escapes by climbing up through a hatch in the TARDIS ceiling,
calling down a one liner to the Daleks stuck below just before he closes it

1) Am I remembering this correctly?
2) If so, is a clip of this online somewhere, in an easily linkable form? *


Further, my understanding is that in the more recent episodes, the Daleks
have figured out how to overcome their previous inability to cope with
stairs, ladders, etc, uttering "levitate" before doing exactly that.

3) Is there a representative clip of this online?

Nicholas Clark

* please don't post links to places that would make Auntie upset.