What is a series of six movies called?

There isn't one definitive term for a series of six movies. Here are a few options depending on context:

Formal:

* Hexalogy: This is a rarely used term specifically for a series of six.

* Six-part series: This is straightforward and widely understood.

* Six-film series: Similar to above but emphasizes the films themselves.

Informal:

* Six-movie saga: This implies a larger narrative and themes.

* Six-movie franchise: This implies sequels, spinoffs, and potentially shared universe elements.

* Six-movie collection: This emphasizes the group as a whole rather than individual films.

The best term will depend on the specific series and how you want to describe it.