The hilarious mockumentary about vampires living in Wellington, New Zealand and its spinoffs.

What We Do In The Shadows
The 2014 film
Wellington Paranormal, season one
The 2018 television series featuring the two cops who appear in the original film
What We Do In The Shadows, season one, episodes 1-7
The 2019 television series.
Episode seven features characters from the original film, as well as numerous guest stars (and allusions to still more), implying that the following films and television series also take place in this world:

What We Do In The Shadows, season one, episodes 8-9
Episode nine features a Babadook.
What We Do In The Shadows, season one, episode 10
 
Wellington Paranormal, season two
The 2019 season of the tv show
What We Do In The Shadows, season two
The 2020 season of the tv show
Wellington Paranormal, season three
The 2021 season of the tv show
What We Do In The Shadows, season three
The 2021 season of the tv show
Wellington Paranormal, season four
The 2022 season of the tv show
What We Do In The Shadows, season four
The 2022 season of the tv show