Sometimes, a series of advertisements can be referred to as an "advertising campaign".

Instead such a series is referred to as a freeway series.

The second series of tracks is referred to as "Side 3":

This series of episodes is commonly referred to as the "1897 flashback".

Often, the series of cases is referred to as the "antibiotics litigation."

The series consisting of this book and its sequels is referred to by the same title.

The series has been referred to in regard to lack of political policy.

A linked series of adventures is commonly referred to as a 'campaign'.

The series itself is often referred to as "Tora-san" by its fans.

The series was publicized and referred to as "Tanglewood around the corner".