Ep. 12: Joe Endures Carlos' Relentless Assault After Losing Consciousness
Aired on December 29, 1980

Joe collapses following a devastating uppercut from Carlos but refuses to yield, expending his remaining energy to stay in the fight. Despite being knocked out, he continues to resist. Carlos unleashes his signature invincible punch with merciless force, relentlessly striking Joe as he struggles to withstand the barrage. The confrontation highlights Joe's determination to fight until his strength is completely exhausted, while Carlos dominates with his powerful offensive techniques in this intense exchange.
Episodes
- Ep. 8 · Danpei Disappears to End Joe's Career as Joe Trains for Carlos Rivera
- Ep. 9 · Joe Breaks Free from Toru's Influence During Sparring with Carlos
- Ep. 10 · Carlos and Joe face off in a snowy park during the Christmas season
- Ep. 11 · Joe and Carlos begin their intense New Year's Day boxing match
- Ep. 12 · Joe Endures Carlos' Relentless Assault After Losing Consciousness
- Ep. 13 · Joe's fight ends as the group prepares Nishi's retirement party while he struggles with his inability to box.
- Ep. 14 · Joe visits Shiraki Gym to collect prize money and learns of Carlos's defeat by the World Champion.
- Ep. 15 · Danpei seeks Yoko's help to arrange a fight for Joe against Usman Somkit.
- Ep. 16 · Joe watches the intense match between Carlos and World Bantamweight Champion Jose Mendoza.