Season 2 episode 14 Lockup sees the team trying to track down the terrorist group responsible for numerous bombings worldwide, as part of the plot the team check out a pole dancing class.
If you missed it and want to see the x-pole in action on NCIS then here it is:
It's not huge surprise that the X-pole was featured. As well as being a great choice for a home dance pole it is after all a profesional pole and is used in many dance studios and clubs. They are famous for the x-pole sport and x-pole Xpert models.