Star Trek: The Next Generation — Episode 24: Ménage à Troi

You are watching the episode Ménage à Troi Stardate: 43930.7. Riker and Deanna, both on shoreleave, are unexpectedly joined by Deanna's mother, Lwaxana, on Betazed. Shortly, all three are kidnapped by the Ferengi who want to study Lwaxana's telepathic abilities.