The team conducts an unorthodox investigation when their suspects are trapped in a decompression chamber on NCIS. "Decompressed" is the 14th episode of the show's 13th season.
The team must figure out if the person who murdered a petty officer is a serial killer or a copycat on NCIS. "Viral" is the sixth episode of the show's 13th season.
McGee is dealing with the loss of Agent Dornegat. His phone call wasn't soon enough to save his fellow agent but it did allow for many civilians to be saved.