
- Promised Penny what?
- That I wouldn't tell you the SECRET.
The Big Bang Theory Season 2, Episode 1

- Can I tell you a SECRET?
- Yeah.
The Big Bang Theory Season 4, Episode 24

Tell me a SECRET.
Game of Thrones Season 4, Episode 4

How can I promise to keep a SECRET
if I don't even know what it is?
Game of Thrones Season 8, Episode 4

What SECRET? Tell me the SECRET.
The Big Bang Theory Season 2, Episode 1