Now I will demonstrate one of ours.

3 seconds sound clip from Radar Men from the Moon - Mass Execution (S1E10).

You can hear this line at 00:07:13.111 in the Blu-ray version of the movie.

Quote context

[...]

- And we can completely control the force of these reactions, enabling us to build atomic weapons ranging from huge canon to these small ray pistols.

- It's very considerate of you to give me all this information.

- You deserve some reward for your long journey, but unfortunately I cannot permit you to return to Earth with it.

- Maybe I have something to say about that.

- So much for the effectiveness of your weapons.

- Now I will demonstrate one of ours.

- We decided we would need a ray gun if we were to attack the city.

- So the next day, Ted and I went back and turned nitrous oxide into their ventilating system. When Retik and his guard became unconscious, Ted waited while I went in and got a ray gun. But before we could...

- They're still after us. Let's go.

- That looks like a cave, let's get in there.

[...]