This line comes from the Season 4 episode of Lois & Clark: The New Adventures of Superman titled “Bob and Carol and Lois and Clark.” The episode originally aired on November 17th, 1996 and features Antonio Sabato Jr. as Deathstroke, a character loosely based on the DC comics assassin, although here, Sabato’s alter ego is Bob Stanford instead of Slade Wilson.
Lois and Clark was merely a stepping stone for Teri Hatcher, but unfortunately it was a career pinnacle for Princeton graduate Dean Cain. The show never matched up to my high expectations and I stopped watching the series after it became an average soap opera which also just so happened to star a major superhero. As crazy as it sounds I enjoyed the often shat upon Superboy TV series much more.