"Philly" -- When a missing MI6 Officer is linked to a murdered petty officer, Gibbs sends Quinn and Bishop to Philadelphia to work with MI6 Officer Clayton Reeves (Duane Henry). Also, Quinn painfully recounts the NCIS case that made her leave field work, on NCIS, Tuesday, Oct. 18 (8:00-9:00 PM, ET/PT), on the CBS Television Network. Pictured: Mark Harmon, Jennifer Esposito. Photo: Bill Inoshita/CBS ÃÂ©2016 CBS Broadcasting, Inc. All Rights Reserved | Episode 14.05 - Philly | Season 14 | ncis | Gallery