Since Derpy lived near the train station, we had to pass near it to get to the Cafe, and it looked like a train had just pulled in. This was confirmed when I saw Twilight in the distance, talking with a Rarity that had just returned from Canterlot. When Twilight noticed me, she tried to wave me down -- I didn't even get a chance to worry, however, as Rarity locked in on exactly what was happening. Her jaw dropping when she saw me, in part of the fancy suit she made for me, and Derpy, in a dress; she practically dragged Twilight back by the tail, preserving our date and chewing Twilight out.