TV blooper; broadcasting blunder
Refers to an unintended mistake or accident during a live broadcast, such as technical errors, inappropriate remarks, or unexpected events.
A broadcasting blunder occurred during the live broadcast, and the screen went completely black.
アナウンサーの言い間違いが放送事故としてネットで話題になった。
The announcer's slip of the tongue became a hot topic online as a TV blooper.