Blackadder

Baldrick:
I have a cunning plan.

Blackadder:
Go on.

Baldrick:
You know how, when you die, your life flashes before your eyes?

Blackadder:
Yes?

Baldrick:
Well, if you stuck your head down the toilet, you'd see your life flash before your eyes. And if you kept your head down there until just before you drowned, you'd see the where the controls were, and then you could take your head out, and guide us home.

Blackadder:
It's a brilliant plan. If I could suggest one tiny modification...