Unbelievable things can happen when pets are left at home all alone for a few hours. Curtains are torn from their rails, sofa cushions are discovered as tasty new snacks, despite a full doggy bowl and half the household is rearranged in just a few minutes. Hilarious glimpses behind the scenes of an all-animal extravaganza that pet owners rarely see, makes “Pets” an absolute box-office hit. “The Secret Life of Pets 2” again unleashes Max, Gidget, Chloe, Norman, Snowball and the other Pets on the unsuspecting cinema audience. So that the Pets’ adventures don’t end with the final credits, these furry heroes can now also frolic in the children’s room at home.