You better go over there and help guard him.
2 seconds sound clip from Superman (1948) - Between Two Fire (Chapter 10).
You can hear this line at 00:05:38.755 in the Blu-ray version of the episode.
Quote context
[...]
- Hey, that other car's got a flat too. Put the spare on. I'll take care of this job.
- This is Conrad. Connect me with headquarters.
- Hello. The Lane girl got suspicious, and we had to clear out.
- Did you get the shots on the Reducer Ray?
- Yeah. Hackett says he got enough to make another machine just like it.
- Did you get Graham there all right?
- Yes, the Spider Lady sent him to the laboratory.
- You better go over there and help guard him.
- Right.
- You sure get around, don't you? Little while ago, you were selling gas.
- He wanted to play, so Conrad gave him a hand right on the chin.
- Keep him here till we decide what to do with him.
[...]