Harland Williams created Puppy Dog Pals based on his own two pups. When he would leave the house, he would put a newspaper down in their room. He would imagine his dogs reading the headlines and going on missions while he was at work.
This is the only Disney Junior original from the second half of the 2010s to have more than 3 seasons.
Season 4 is the shortest season, having only 16 episodes,unlike seasons 1-3 having 25-30 episodes each.