21. Tricky Uncle Frank(力石の…唄が聞こえる)
Canon
With Danpei vehemently against Joe's dangerous weight loss, Joe leaves the Tange Gym. He visits the Shiraki Gym and locks himself up in the very same room where Toru Rikiishi once starved himself, so he could fight Joe. (Source: Crunchyroll)
Aired on: 3/1/1981
