Fear Her, also known as the Doctor-neck-porn episode.
The Paradigm gives us power, but you could give us wisdom. Become a God at my side. Imagine what you could do. Think of the civilisations you could save. Perganon, Assinta. Your own people, Doctor, standing tall. The Time Lords reborn.
The Ninth and Tenth Doctor + Being a fanboy of some of his favourite writers
There’s still one word with the power that aches. (Requested by @jennytylersmith)