Deputy D.A. Dave Douglas (Tim …

Deputy D.A. Dave Douglas (Tim Allen) spends more time at work than at home with his wife (Kristin Davis) and kids (Zena Grey, Spencer Breslin). His latest case involves an animal laboratory, and when Dave is infected by a top-secret, genetic-mutation serum, he turns into a replica of the sheepdog that bit him. Now, with four paws and a furry brow, Dave sees life from a different angle and becomes privy to his families’ hopes and dreams. Chasing cats and frisbies is all very well, but how can Dave get his own life back, when the animal lab’s Marcus Kozak (Robert Downey Jnr) has other plans for him?