According to what executive producer Julie Plec tells Zap2It, there’s something in the water. Vervain, to be exact. Everyone who finds that particular plant physically offensive has been using the Salvatore mansion as shower HQ.
“[T]he Salvatores have the only vervain-free water in town because of their fancy water filter,” says Julie. “It's a fun way for the boys to be basically going about their morning business, discussing what to do about Elena, and in walks Caroline in her cute little robe and shower caddy, like, 'Well I have an idea!'”
Enter Elena. “It’s nothing you guys haven’t seen before,” she points out to the brothers and her best friend as she strolls into the room, naked.