We kindly thank you for your contribution, it definitely helps keeping the series running.

我们非常感谢您的贡献，这绝对有助于保持该系列运行。

It's about running a series of experiments, and not a series of pilots.

这是关于进行一系列的实验， 而不是一系列的试点。

The programme still holds the record for the longest running TV series.

【hold】该节目仍然保持着播放时间最长的电视连续剧这一纪录。