Yeah, I think I'll stretch my legs and look around.

3 seconds sound clip from The Ant and the Aardvark (1969) - Science Friction (S1E12).

You can hear this line at 00:02:01.104 in the Blu-ray version of the episode.

Quote context

[...]

- Oh, no, you don't. All right, now, cough the ant out.

- Oh, boy! That was like being in a dark cave during an earthquake.

- You crazy anteater. You almost ruined my whole experiment.

- And he almost ruined my whole body.

- Thank goodness. The specimen appears to be unharmed. I'll let the little fellow relax while I prepare the next study.

- Yeah, I think I'll stretch my legs and look around.

- By golly. I'm beginning to like this setup.

- Besides, that scientist makes a pretty good bodyguard for my little rare body.

- I'm going to take care of his little rare body personally.

- Hey, Ant. I'm taking you out to lunch in my stomach.

[...]