Playtime, Mudge No one loves to play more than Henry's puppy, Mudge. And when Fluffy the cat joins Mudge for a play date, the games are just beginning. From running to hiding to climbing galore, these two just might prove that cats and dogs really can be friendsPlaytime, Mudge No one loves to play more than Henry's puppy, Mudge. And when Fluffy the cat joins Mudge for a play date, the games are just beginning. From running to hiding to climbing galore, these two just might prove that cats and dogs really can be friends