我最喜欢的电视剧系列终于出第三季了。

My favorite ___series finally released its third season.

这支队伍在系列赛中连胜三场。

The team won three consecutive games in the ___series.

图书馆新进了一套关于世界历史的丛书。

The library has acquired a new ___series of books on world history.