Volvamos al tema anterior

[ROBINDESBOIS]

There is a saying to say let´s go back to the topic we were talking about before. I can´t remember it. Can anybody help?

[poli]

There is a saying to say let´s go back to the topic we were talking about before. I can´t remember it. Can anybody help?
Let's get back on track.
Let's get back to square one.

[pjt33]

Getting back on topic...
Going back to the previous topic...