jump the shark

idiomPart ofjump

jump the shark — idiom

1. When a TV show or series includes an unbelievable event to keep viewers, showing

1.idiom
Definition

When a TV show or series includes an unbelievable event to keep viewers, showing it is past its best.

Example

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?