The Young Ones, Series 2

Vampire:
No, this is some kind of misunderstanding! I'm not a vampire! I'm a driving instructor! From Johannesburg!

Vyvyan:
A driving instructer from Johannesburg? Prove it!

Vampire:
How?

Vyvyan:
Okay, what should you never do in a box junction?

Vampire:
In a box junction you should never enter it unless your exit is clear!

Vyvyan:
Ah, true. Okay, what's the procedure for the approach of a humpback bridge?

Vampire:
Approaching a humpback bridge, you should slow down and check in both rear-view mirrors. If no-one is behind you you should RIP OUT A VIRGIN'S THROAT AND-

Vyvyan:
Ah-ha! Ah-ha! Gotcha, gotcha, gotcha! Driving instructor my bottom! You're a vampire and there's no denying it!

Vampire:
Oh Outspan!