doctorwho:

The Minotaur from The God Complex references Classic Who serial The Horns of Nimon

AMY: What is it, a minotaur? Or an alien? Or an alien minotaur? That’s not a question I thought I’d be asking this morning.
ELEVENTH DOCTOR: It’s both, actually. Yeah. Here we go. Distant cousin of the Nimon. They descend on planets and set themselves up as gods to be worshipped.

— The God Complex