The footage shows the 1-year-old bear pausing at the door before taking off down an aisle.
Eventually, it ran out the back door and into someone's backyard. That's where Fish and Game officers caught up with it.
No one was hurt, but the bear did have to be put down.
Drought conditions and fires have created a big bear problem in the area.
So far this year, 150 bears have been shot or hit by cars.