Torres and Palmer’s expressions (along with Wilmer Valderrama’s cheeky Instagram caption) point toward the boys getting themselves into trouble thanks to some hijinks rather than being framed or caught in the act of a crime or something equally serious.
Now, under normal circumstances, two members of the NCIS team locked up would be cause for alarm.
The various shows in the NCIS franchise have proven that very bad things can happen when good guys are stuck behind bars, wrongfully or not.
My money is on this scene taking place right after the opening credits roll and before the agents find out their case of the week.