Leave 'em Laughing

In the dead of night, a terrible toothache wakes up poor Stan. After a seemingly endless series of desperate home-made remedies and an unfortunate brush with the landlord, inevitably, Ollie has no other choice but to take his friend to the dentist. But, there, a wrong diagnosis combined with liberal amounts of laughing gas will pave the way for the perfect mess, and quite unexpectedly, a glorious traffic jam. Will Stan ever visit the dentist again?