Australia and New Zealand seem to avert this as well due to a rivalry or some other reason.
Does everything seem completely against continuity? Are the characters acting as if dosed up on tranquilizers?
If the show DOES have a continuity, this episode will never be mentioned again, save perhaps as a Mythology Gag, and none of the likely wild events will ever be repeated. If nothing in the movie seems to follow any previous event or plot and the whole thing seems to be one spontaneous series of events, you've probably got a Big Lipped Alligator Movie on your hands.
This effect is usually caused by an episode being Something Completely Different or an Out-of-Genre Experience.
If every episode is like this, a summary may mention that it's That Kind Of Show.
When the finale of a series is this, it's a Gainax Ending.
When The Movie is this or one spontaneous series of events irrelevant to any previously established continuity see Non-Serial Movie.
Rarely, though, a Bizarro Episode may be redeemed if a skillful or cunning writer uses it to construct an Innocuously Important Episode.
Also not to be confused with a Bizarro Universe or the episodes involving one; the Bizarro Universe is justified according to some in-universe logic, while the Bizarro Episode can be equally different from normal continuity but there's not necessarily any in-universe reason for things to be that different from normal.
Man documents his DISASTROUS first ever Tinder date with a woman who behaved so rudely that he fled the restaurant.
Woman tried to get a free meal from a random date, but the guy beat her to it and did a runner.
S., Canada has the advantage of being far enough away to plausibly explain the girlfriend's persistent absence without being so exotic that her nationality requires much elaboration.