Old Bennett tries to convince his younger self to not get a pet after Penelope's father changes their apartment's animal code to allow her to get a pet cat, but Old Bennett worries how his younger self will take things if his new pet runs away. Realizing what his older self is worried about, Young Bennett decides to create some smart earmuffs which will allow his dog to become smart, but when Edee's holovideo mob battle plays instead, it creates the Mob Dog, turning Duke from Man's Best Friend to Man's Worst Nightmare.