House of Anubis S02E78 - House of Pitfalls

The Sibunas meet Jasper who tells them Rufus knows he's been tricked. They find the rules on a mismatched tile on the library floor. Jerome finally makes his move on Mara, only to discover she's still not over Mick. Down in the tunnels, disaster strikes when Nina moves to the wrong square and the floor gives way beneath her.