Going to be some very expensive gas.
"Apollo samples typically showed helium-3 concentrations measured in parts per billion. That means enormous volumes of regolith must be processed to extract useful gas. The basic industrial recipe is straightforward on paper. "
No it was the remake of the Time Machine with Guy Pierce, mining on the moon destroyed its orbit and it breaks up.
No it was Seveneves, which was a book, and the moon just kind of blow up for some reason.