- If you ask me, we're barking up the wrong tree.
- What do you think, Flops?
- I'd say we were barking up the wrong tree.

6 seconds sound clip from the The First Easter Rabbit (1976) movie soundboard.

You can hear this line at 00:12:05.385 in the Blu-ray version of the movie.

Quote context

[...]

- Well, by the time our friends had reached the third mountain, they were totally exhausted, and ready to turn back.

- Say, it seems that bird is indicating a direction to follow.

- What have we got to lose?

- Someone will show you the way.

- She's leading us away from the wall.

- If you ask me, we're barking up the wrong tree.

- What do you think, Flops?

- I'd say we were barking up the wrong tree.

- The tree. It must be hollow.

- Why doesn't one of us give it a try?

- I shall be as expeditious as possible.

- And be quick about it, too.

- Hmm, if my calculations are correct, he should reach the other side just about... now.

[...]