Robin's right. The inside of the Star of Samarkand is hollow, you see.
6 seconds sound clip from Batman (1966) - Zelda the Great (S1E9) TV Series.
You can hear this line at 00:18:38 in the Blu-ray version of the movie.
Quote context
[...]
- Oh, just name it, Batman. I'll do it.
- Our scheme is to conceal ourselves somewhere on the premises.
- Perfect. When the crook strikes, we'll pounce on our prey.
- Even if she eludes us, we've still got her.
- Robin's right. The inside of the Star of Samarkand is hollow, you see.
- It contains a tiny super-power homing transmitter.
- We'll pick up the beam in our Batmobile.
- You're nearly simply too much, Batman.
- I hope so... Too much for this crook anyway.
- Robin, run outside, take a final check.
- Roger.
- In the street. Look. Two of Chief O'Hara's finest patrolmen' in the guise of power company workers
[...]