...who shall remain NAMELESS for his own protection. (The Big Bang Theory Season 2, Episode 14)
and OBSCURE knowledge, science. (The Big Bang Theory Season 7, Episode 3)
It's not like I'm UNFAMILIAR with the "get lost" conversation. (The Big Bang Theory Season 4, Episode 18)
whose UNKNOWN provenance jeopardizes (The Big Bang Theory Season 5, Episode 2)
That's preposterous. How would she go UNRECOGNIZED just by wearing a wig? (The Big Bang Theory Season 8, Episode 6)