Lost video playback in Fairlight

I'm still very new to Resolve, so I'm sorry if this is a really obvious question. But I was doing some editing in Fairlight. In order to see the video better I undocked it and expanded it. Now when I go back into Fairlight the video has completely gone and I can't work out how to get it back.

fairlight.jpg (492.92 KiB) Viewed 895 times

Workspace > Reset UI Layout

Thank you. Got it back now.