This Discovery Channel documentary entitled "The Boy With Divine Powers" was shot by a crew able to film the Buddha Boy continuously for 96 hours. The crew filmed day and night, during which he observed a total fast, abstaining from all human food and drink.
Discovery Channel: in-depth examination of the worldwide "Buddha Boy" sensation
Whether devas fed him deva-sustenance through his pores, as legend suggests was offered to the historical Buddha (MN 36:27), is a matter of metaphysical speculation. However, according to scientists in this documentary, an average person will die of kidney failure after 96 hours of not drinking any fluids. Buddha Boy exhibited none of the classic signs of physical deterioration associated with dehydration. Upon closer inspection, the film crew around the tree could find no hidden water pipes or food stashes.