Gisele Bundchen and Tom Brady want you to spend an hour in the dark with them -- and it's all for a good cause.
The couple is helping to promote Earth Hour -- a World Wildlife program that's asking for everyone to turn off their lights at the same time for an hour on March 27, all in support of action on climate change.
Sorry, but the underwear model stays fully clothed in the video ... presumably to help prevent global warming.
