 Spock meets Data and they exchange opinions on the relative value of logic and emotion, and share mutual impressions of "Next Generation"s Captain Picard (who for Spock is a model of logical behavior, and for Data is a model of what it means to be human).Critics such as Ina Rae Hark have noted this encounter between two non-human characters summarizes their contrasting attitudes to humanity, Data embodying Spock's ideal of pure logic, while Data aspires to be more human.Scotty appears in TNG Season 6, Episode 4 "".