Ep. 19: Gou-kun arrives punctually while Rei-kun demonstrates extraordinary back strength during a fitness test
Aired on March 15, 1986

19
Gou-kun, known for chronic lateness, unexpectedly arrives at school on time, creating a serious atmosphere among the students. The class then proceeds with a special physical fitness examination. During the testing of back muscle strength, Rei-kun achieves a remarkable measurement of 6 meters, surprising everyone with his unexpected physical capabilities. This unusual result stands out significantly within the context of the school's fitness assessment procedures.
Episodes
- Ep. 15 · Chie-chan's drawing reveals her feelings while Rei-kun's childhood photos surface
- Ep. 16 · The national champions arrive for a practice match where Rei-kun and Don-chan counter the enemy captain.
- Ep. 17 · A passionate teacher arrives on a cold winter day and later collapses from a cold
- Ep. 18 · Amnesiac girl questions her identity while nanny recruits Funny-face Club for surveillance
- Ep. 19 · Gou-kun arrives punctually while Rei-kun demonstrates extraordinary back strength during a fitness test
- Ep. 20 · Wakato-sensei agrees to a blind date while Rei-kun attempts to cook curry for Don Harumage
- Ep. 21 · Lassie attempts to extinguish a fire at Rei-kun's home while Kiyoshi-kun reluctantly shelters the homeless boy.
- Ep. 22 · Lassie attempts to wake his family after they forget breakfast while Dai-kun exercises in a leotard
- Ep. 23 · Seat Battle on the Commuter Train and Odd Dog Lassie's First Year Student Experience