He's a girl, she's a bloke, it's a sledge, he's a ghost

Whenever a debate turns to spoilers, Dr K is prone to reel off this list of spoilers for films that he feels everyone must know by now. Mark explained in early 2007 that the gag is taken from the end credits of the Airplane films.

Spoiler alert!

He's a girl,
she's a bloke,
it's a sledge,
he's a ghost