Joke Topics Beginning with the letter 'I' - Page 2

This is page 2 of the index of joke topics that begin with the letter 'I'.

The joke topics listed on this page are: - Invented - Invisible.

This is page 2 of 2

Here are some randomly selected joke topics beginning with the letter 'I'

'Doctor, doctor, I think I must be invisible. Everyone ignores me.'
' Next, please.'

Doctor, doctor! I'm becoming invisible.
Yes, I can see you're not all there.

Doctor, Doctor, I keep thinking I'm invisible.
Who said that?

Which famous English King invented fractions?
Henry the 1/8th.

Why did the invisible man look in the mirror?
To make sure he wasn't there.

What was the invisible man scared of?
His own shadow.