Stan’s blog is no longer a secret, but this talking dog still has plenty to say! On her first day of high school, Avery is roped into participating in Tyler’s senior prank, and they both get expelled! Bennett and Ellen overhear Stan talking and the kids try to convince them that it’s just a Halloween stunt. Avery struggles with a free-spirited teacher, Chloe wants a short haircut, and Tyler is asked to join a professional BMX circuit. And sit, stay and see what happens as Stan falls head over paws for the new neighborhood dog!