jump the shark
成語所屬單字jump
jump the shark — 慣用語
1. When a TV show or series includes an unbelievable event to keep viewers, showing
1.慣用語
釋義
（電視劇等）走下坡；開始變差
When a TV show or series includes an unbelievable event to keep viewers, showing it is past its best.
例句
Many fans think the show jumped the shark in its fifth season.
Did that series jump the shark when the main character came back from the dead?