A behind-the-scenes documentary of how Hannibal spent the week leading up to the filming of the special Animal Furnace. A behind-the-scenes documentary of how Hannibal spent the week leading up to the filming of the special Animal Furnace. A behind-the-scenes documentary of how Hannibal spent the week leading up to the filming of the special Animal Furnace. A behind-the-scenes documentary of how Hannibal spent the week leading up to the filming of the special Animal Furnace.