Speaking of reset buttons, how about this one (for those who grouse about Endgame).
At the close of the series finale, The Doctor suddenly says "Computer, end program." The bridge does that disappearing holodeck thingie, and everyone disappears but him.
He walks out of the holodeck and over to a cubicle somewhere on Jupiter Station.
"What have you been up to?"asks his neighbor, Lt. Barclay.
"Oh, just putting my EMH program through its paces," says Dr. Zimmerman. "Just got finished running a simulation of how he'd fare on a multi-year mission. Not bad, I've got to say. I think I'll get approval to install them before the first Intrepid class vessel launches next month."