Cockroaches, flees, and 鼠, 大鼠 droppings--these are just some of the lighter things Booth and Brennan have to deal with in the fifth season finale of Bones.
Warning: If 你 haven't seen Thursday's (May 20) "Bones" season finale, go watch it before 你 read this. Otherwise 你 will be big time spoiled on what goes down.