Question of the Day!

So, I am one of the fill-in questioners; let's get this!

2 things - one, I have no idea how to make it look purty, and two, I am Australian, so I spell and punctuate differently.

As such: my question:

What's your favourite joke?

Be prepared for gif responses!

Me? Well...
Why did the koala fall out of the tree?
         It was dead.
Why did the second koala fall out of the tree?
         It was also dead.
Why did the third koala fall out of the tree?
         It thought it was a trend.
Why did the cockatoo fall out of the tree?
         It was nailed to the second koala.
Why did the kangaroo die?
         Three koalas and a cockatoo fell on it.