Ep. 18: Floating Fortress Island! Two Men Brave Death!
Ipinalabas noong Pebrero 2, 1975
18
Mga Episode
- Ep. 14 · The Galaxy's Ordeal! The Year 2200 Advances!
- Ep. 15 · Desperate Escape! The Galaxy's Different Dimension
- Ep. 16 · Planet Beeland, Underground Prison of Condemned Criminals
- Ep. 17 · Charge! Balanosaurus Special Attack Group!
- Ep. 18 · Floating Fortress Island! Two Men Brave Death!
- Ep. 19 · Homesickness of Space! My Mother's Tears are My Tears!
- Ep. 20 · The Day Planet Balan's Sun Fell!
- Ep. 21 · Desperate Challenge from Lysis' Fleet!
- Ep. 22 · Decisive Battle! Fight for Honor at the Rainbow Star Group!