Fireball: Season 4 (Gebäude Bäude)
This season started on November 8, 2020. The table lists episodes with recorded air dates up to September 28, 2026.
| Ep | Title and air date | My place |
|---|---|---|
| 1 | Imaginary Border · 2 min | |
| 2 | No Signal · 2 min | |
| 3 | Please Stand By · 2 min | |
| 4 | Event Horizon · 2 min | |
| 5 | Hugin, Munin · 2 min | |
| 6 | Nearly Harmless · 2 min | |
| 7 | White Night · 2 min | |
| 8 | Valkyrie · 2 min | |
| 9 | Lagrangian Spot · 2 min | |
| 10 | The Method of Bungee Jumping (Ariadne's Thread) · 2 min |
