User blog comment:Thisguyisnotcool/November Episodes (SPOILER alert)/@comment-3511850-20111030035601

I bet the only reason the two went out was cause Artemis is more mature and Zatanna probably didn't want to go so they left while the others went trick-or-treating as themselves (or other superheros). I mean come on, we all know Wally wouldn't pass up the chance for free candy, Robin probably didn't grow out of it yet, Miss Martian probably didn't do this on Mars.