Popper made a cameo on the Feb. 27, 2023, episode of “Summer House,” marking it his reality TV debut. Samantha Feher invited the boxer, who was also training her at the time, to hang out with the cast while they partied in the Hamptons. Yet, after testing the waters, Feher wrote off the possibility of a romantic connection with Popper, who didn’t seem very interested in the reality TV star.