The opening titles are never the same. Each episode opens with a different verse or segment of the song "If I Had A Tail" (from the Queens Of The Stone Age album '...Like Clockwork') than the previous episode.
Isla Fisher's character is an American who moved to Australia. In reality, the opposite is true, she is known as an Australian who moved to America.
There are only 12 full moons in a year, or once per month. So dating a werewolf should be relatively easy. Assuming you have access to a weather app, or farmers almanac, or basically any form of technology. New or old.
Isla Fisher is exactly five years older than her co-star Josh Gad.