Open up, Hackett. It's Anton and Brock.
2 seconds sound clip from Superman (1948) - Superman In Danger (Chapter 6).
You can hear this line at 00:08:49.853 in the Blu-ray version of the episode.
Quote context
[...]
- I was thinking about getting something to eat.
- I'll buy you the best meal you ever had. Come on, we'll take my car.
- Okay.
- So you think this supposedly sick man at the cabin might be Dr. Hackett?
- I'm not saying he is or he ain't.
- All I know is the Spider Lady's men are keeping him undercover there.
- Open up, Hackett. It's Anton and Brock.
- Anybody been snooping around, Hackett?
- Oh, no, we're getting you outta here.
- There's a police dragnet out for you, but we're taking you to the Spider Lady.
- Not the way we're gonna do it.
[...]