第10話: のび太はドラえもんから赤と黒の弾丸を発射する運命変更銃を贈られる。

10

Nobita has some bad luck so Doraemon gives him a gun which shoots red bullets (actually bursts of light) for good luck and black bullets for bad luck, but no way of deciding which you get. Cowardly Nobita has 3 others try it first and they all get good luck. A little boy takes the gun and shoots Nobita with a black bullet and he gets all bad luck. (Source: Wikipedia)