S7, E6: When the Ferengi hijack Lt Barclay's hologram and reprogram it, the Starfleet officer enlists the help of Counselor Deanna Troi to warn the Voyager crew.

Starring Dwight Schultz, Marina Sirtis, Richard Herd
S7, E6: When the Ferengi hijack Lt Barclay's hologram and reprogram it, the Starfleet officer enlists the help of Counselor Deanna Troi to warn the Voyager crew.