[s10e8] The First Investigation Page

The "ticking noise" and shifting furniture signify that the office is unstuck in time.

Despite the lack of direct closure with their parents, the episode is often viewed by fans as a "goodbye and a hello," celebrating the lives lived while looking forward to future mysteries. [S10E8] The First Investigation

The episode serves as a thematic precursor to the series finale, illustrating the concept that all moments in time exist simultaneously. The "ticking noise" and shifting furniture signify that