Here's the answer:
“何かおもしろいイベントはやっていますか?”
(nani ka omoshiroi ibento wa ya-tte i-masu ka?)
Watch a real native speaker say it:
Here's how it sounds in a textbook:
You could also say:
- 何かおもしろいイベントはやってますか?
Fun fact: the hundreds of thousands of people learning Japanese with Memrise get this phrase correct 95.28% of the time!