When it’s La’an’s turn to deal with some heavy emotional shit, a magical flat planet full of doppelgängers is where the story will play out. But after a couple of fairytale characters try to take over the iron dragon, La’an reunites her light and dark selves and the evil queen gets beamed straight to the brig. What’s the most well-established plot device in Star Trek? How do you know a mask is insufficient? Who is real in the Elysian Kingdom? It’s the episode that finally comes full circle on season 4.