It's Nightmare Night and Spike has no costume to wear. Luckily, Rainbow Dash might just be able to help him out. As the two hang out, they see a mutual benefit for pranking; Rainbow Dash can try to outprank Pinkie this year, and Spike can avoid spending two-and-a-half hours stuck at the pre-announcement party with Twilight.

After all, it is the best night of the year for pranking.