When an evil dictator threatens to take over the kingdom, Princess Rosalinda gets put into the Princess Protection Program. She is taken under the wing of General Joe Mason, an agent from the agency, and his daughter, Carter, who works after school at a nearby bait shop. Rosalinda goes undercover as a regular teen named, Rosie with the help of Carter. In turn, Rosalinda helps Carter overcome insecurities with herself and her crush on Donny who also likes her but can't tell or get shy.
Mr. Peabody, the most accomplished dog in the world, and his mischievous boy Sherman, use their time machine - the WABAC - to go on the most outrageous adventures known to man or dog. But when Sherman takes the WABAC out for a joyride to impress his friend Penny, they accidentally rip a hole in the universe, wreaking havoc on the most important events in world history. Before they forever alter the past, present and future, Mr. Peabody must come to their rescue, ultimately facing the most daunting challenge of any era: figuring out how to be a parent. Together, the time traveling trio will make their mark on history.