Season 2 vikings valhalla summary July 8, 2019 16 32 64 128 Vikings valhalla season 2 plot summary Vikings valhalla season 2 episode summary Vikings valhalla season 1 and 2 summary Vikings valhalla season 3 episode 2 summary Vikings valhalla season 2 episode 1 summary Valhalla season 2 Vikings valhalla season 3 release date