Some of those has stuck around for multiple seasons, while others only stayed for one or two.

TV shows that go on for years are always at risk of going stale.

TheNCISfranchisetends to follow the same case-of-the-week format, making some of the cases easy to predict and solve.

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Anew MCRT member inNCISwill add excitement and freshness to keep the series on the air for longer.

Of course, there are always going to be fan favorites, but change can be good.

Sawyers return toNCISdoesnt even prove that a full shakeup is needed.

Jimmy Parker McGee and Knight in the park in NCIS

The dynamics within the team become less predictable, and the same arguments dont happen over and over again.

At the same time,the currentNCIScasthas more space to grow.

Both of these characters created humorous storylines as they learned and grew.

NCIS season 22 Nick Torres and Dale Sawyer

It has been a long time since the series has had a real probie.

David James Elliott as Harmon Rabb Jr. and Catherine Bell as Sarah MacKenzie posing in front of an American flag for JAG

McGee and Knight in their NCIS gear

Close up of Mark Harmon as Gibbs in NCIS Outlaws and in-laws

NCIS (2003) TV Show Poster

NCIS