Let me bring us back to the agenda — we only have ten minutes left.
That's a good discussion, but let me bring us back to the agenda.
Let me bring us back to the agenda before we run out of time.
We're drifting a bit — let me bring us back to the agenda.
Let me bring us back to the agenda; we can take this offline.
Before we lose the thread, let me bring us back to the agenda.
Let me bring us back to the agenda and cover the remaining points.
The client call is in twenty minutes, so let me bring us back to the agenda.