The best episode directed by Robert Legato is "The Nth Degree", rated 7.4/10 from 37 user votes. It was "written by Joe Menosky". "The Nth Degree" aired on 4/1/1991 and is rated 1.3 point(s) higher than their second highest rated, "Ménage à Troi".
Stardate: 44704.2. An alien probe transforms Barclay from a shy, awkward character into an arrogant super-genius who is able to interface with the Enterprise's computer through the holodeck.
Director: Robert Legato
Writer: Joe Menosky
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.
Director: Robert Legato
Writer: Fred Bronson
Stardate: 46853.2. Dax investigates if an unusual energy reading is dangerous for the station when all of the sudden people's imaginations really come alive, causing chaos.
Director: Robert Legato
Writer: N/A