Yeah, that was a classic shenanigan waiting to happen, right down to the timing.

[present Dave is definitely hiding. Older Dave, denoted by red text, seems like he is fighting back amusement, too. He gestures to his tiny self, like 'Ask him', and Dave manages to include them both in a hassled look.]

Don't where the fuck you'd want to take time field trips too, but I'll think about it.