or…Confessions of a Scientific Advisor.

Doctor Who's sexual tension gets a right seeing-to in the horniest story of them all.

Sergeant Benton pulls the local busybody, the Brigadier gets a bed scene, Yates' chopper explodes all over a strange man, the Doctor draws a giant breast, everyone does a fertility dance and the Master keeps hiding in the crypt to secretly summon the horny beast.

With a chicken.

Finally, after the Doctor and Jo share a bed, Yates misjudges the moment and asks his boss to dance. honestly, there must be something in the water.