And on TV, the NCIS team is led by former Marine Leroy Jethro Gibbs.

That is until Season 19.

Here are the taciturn investigator’s most shocking moments.

Mark Harmon

Donald “Ducky” Mallard, it was a surprise (perIMDb).

The whole episode ended with Gibbs getting his memory back but then quitting NCIS (viaIMDb).

Not all the unexpected Gibbs moments had to do with his first wife and daughter.

Mark Harmon as Jethro Gibbs on NCIS

While there, he makes friends with a kid named Luke; however, it was a misplaced friendship.

“It took something from me,” Gibbs says.

“It’s what war does” (viaEntertainment Weekly).

Mark Harmon as Jethro Gibbs on NCIS

For a character who’s usually all business, any emotional moments are a surprise.