When Meredith and Billy talk to Seymour, Seymour tells that he discussed Star Trek with the hacker, as he used the name Tiberius and they argued whether there are 79 or 80 episodes
When Jake says that Carl, their Star Trek loving hacker is also big into astronomy, Laura guess space guru Carl Sagan and when Billy frowns, she explains that she watches Jeopardy!
In order to prevent Santiani from misusing all office secrets, Laura reveals her secret knowledge about Santiani, which she learned from Santiani's old collega's, using a flashback from that episode