A hard-bitten former search-and-rescue dog faces more problems with the fancy new dog next door and a possum heading for the chicken coop.

Machine generated contents note: 1.Night Shift -- 2.The Usual Suspects -- 3.The Scent of Worm -- 4.The Price Is Right -- 5.Old Dog, Old Tricks -- 6.Things That Go Bump in the Night -- 7.Night Creatures -- 8.The View from Down Under -- 9.Halftime -- 10.Follow the Leader -- 11.Ghost Trails -- 12.Once upon a Time ... -- 13.Up, Up, and Away -- 14.Night Shift Part Two -- 15.Let the Sun Shine -- 16.I Hear You Knocking -- 17.Slumber Party -- 18.Strange Company -- 19.Mama to Mama -- 20.The Longest Minute -- 21.Old News -- 22.There's No Place Like Home.