Ep. 4: Ippo engages in shadow boxing practice session
Aired on October 25, 2000

The character Ippo is depicted performing shadow boxing exercises. This activity serves as a training method for him. The scene focuses on his physical movements and technique during this specific practice routine. No other characters or locations are mentioned in this brief description. The action is centered entirely on Ippo's individual effort to refine his skills through this form of solo training.
Episodes
- Ep. 1 · Ippo begins boxing after being rescued from bullying by a jogger
- Ep. 2 · Ippo catches ten leaves to earn his first sparring opportunity
- Ep. 3 · Ippo loses his first sparring match but earns a spot in the gym
- Ep. 4 · Ippo engages in shadow boxing practice session
- Ep. 5 · Ippo prepares for his upcoming rematch against his opponent
- Ep. 6 · Ippo and Miyata engage in a boxing rematch
- Ep. 7 · Ippo defeats Miyata with a decisive short uppercut in the final round
- Ep. 8 · Ippo trains with Takamura and learns the hardships of professional boxing