This documentary film provides an in-depth look at the lives of endangered species.

I watched a fascinating documentary about wildlife conservation.

I enjoy watching documentaries about nature and history.

The documentariness of the film was evident in its unbiased portrayal of the subject.

I watched a drama documentary last night.

The documentary hypothesis is a theory that suggests that the Pentateuch, the first five books of the Hebrew Bible, were not written by a single author, but rather by multiple authors over a long period of time.

I enjoy watching drama documentaries.

The movie had a documentary-like feel to it.