1.   Have you heard the one about the brown cow who goes into a bar?

2.   Have you heard the one about the chicken who tried to cross the road?

3.   You can almost hear that one.

4.   Did you hear that one?

5.   Do you wanna hear another one?

6.   Have you heard that one?

7.   Have you heard that one before?

8.   And did you hear the one about the funny captions?

9.   And have you heard the one about the Gordian knot?