S3·E24 Ménage à Troi
Aired May 28, 1990
Synopsis
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.