Bruce Davison and a pack of rodents dissolve into socially alienated chaos in this essential genre classic. On Friday nights,   IndieWire After Dark  honors fringe cinema in the streaming age with  midnight movies  from any moment in  film  history. First, the  BAIT : a weird genre pick, and why we’re exploring its specific niche right now. Then, the  BITE : a spoiler-filled answer to the all-important question, “Is this old cult film actually worth recommending?” The Bait: When Will Weird Pets