Best Series Hugo Category

The Best Series Hugo category is the newest Hugo category, having been awarded first as a one-time special category by Worldcon 75 in 2017, and then starting in 2018 as an ongoing category of the Hugo Awards.

A predecessor was the one-time category Best All-Time Series, which was awarded in 1966.

Year Winner
2017 The Vorkosigan Saga by Lois McMaster Bujold
2018 World of the Five Gods by Lois McMaster Bujold

This is an award page. If you know something about it, such as who awarded it, who the winners were, what the criteria were, and when it was awarded, please add it!