The time-travelling adventures of an advanced canine and his adopted son, as they endeavor to fix a time rift they created. Mr. Peabody is a business titan, inventor, scientist, gourmand, two-time Olympic medalist and genius...who also happens to be a dog. Using his most ingenious invention, the WABAC machine, Mr. Peabody and his adopted boy Sherman hurtle back in time to experience world-changing events first-hand and interact with some of the greatest characters of all time. But when Sherman breaks the rules of time travel, our two heroes find themselves in a race to repair history and save the future, while Mr. Peabody may face his biggest challenge yet - being a parent.