I went to a wedding this weekend and the father of the bride’s speech was filled with dumb, but nevertheless funny ...

So, what are the best knock knock jokes of all time? We combed through several old joke books and talked to moms, dads, our kids, and anyone with the ability to make some words sound like other words.

Plus, science shows laughing is good for your health and well-being, so having an arsenal of old-people jokes in your back pocket is a win-win. From short jokes to dark jokes and even bad jokes ...