Giant Robo Prologue-hen
Movie| Title | ジャイアントロボ |
| User score | 0 |
| Release date | Jul 27, 2007 |
| Genre | Animation |
| Production country | Japan |
| Run time | 4 min. |
The pilot for GR: Giant Robo. However, there were significant changes between the pilot and the actual show, including a different writer and a different director. Thus, the special is less a promo for the series than an alternate version of how the series might have looked.