gag reel

informal

(informal) A compilation of outtakes, i.e. amusing mistakes or accidents recorded during regular filming.

Japanese Meaning

撮影中のミスや面白い失敗の撮り直しシーンを集めた動画（NGシーン集） / NG集

After the premiere, the cast laughed as they watched the gag reel that showed all their funniest mistakes.

プレミア上映の後、キャストは自分たちの一番面白い失敗をすべて映したアウトテイク集を見て笑い合った。

Sense（1）

(informal) A compilation of outtakes, i.e. amusing mistakes or accidents recorded during regular filming.

gag reels

（ plural ）