"Ménage à Troi" is the 24th episode of the third season of the American science fiction television series Star Trek: The Next Generation, and the 72nd episode of the series overall. Set in the 24th century, the series follows the adventures of the Starfleet crew of the Federation starship Enterprise-D. In this episode, Commander Riker, Counselor Troi and Ambassador Lwaxana Troi are kidnapped by Ferengi.