The episode of The Simpsons which JK Rowling will appear in is called The Regina Monologues, we can exclusively reveal.
In it the Simpson family visit the UK.
It's expected to air in the US in November or December of this year.
There's no word yet on when it will appear in the UK.
JK appears as herself in the episode, which takes place in the UK.
It's been reported that the Simpson family visit England to find a girl Grandpa had a wartime fling with.