There's an episode of Family Guy where Peter Griffin buys a brain-damaged horse, which promptly goes on a calamitous rampage during a race.
To cover the huge bill for damages, Peter signs up as a human guinea pig in trials of new drugs.
"This is the Seth Rogen gene," the doctor tells him."It will give you the appearance of being funny, even though you haven't actually done anything funny."
And that brings us neatly to The Night Before, a drug-fuelled comedy of...
