Everybody runs off to the study to formulate a plan. The Doctor, with input from Clara, figures out that the snow wants the Govern-Ice so that it can make copies. Simeon probably should have staked out the pond and grabbed her as soon as she popped out, but TV villains aren't always the best planners. When the doorbell rings, the Doctor strikes out to answer it. Clara follows after him and plants a big ol' kiss on him. He flails in his usual "Ew, girl cooties!" sort of way, but he doesn't seem entirely opposed to the kiss. Some will argue that the Doctor is married and should say as much to anyone inclined to make a pass at him, but... eh. Monogamy seems like a tricky thing for time travelers and the Doctor did sort of marry River after she died. So, depending on how you look at it, he's either single, married or a widower... or all three at once. Anyway, it's Simeon at the door. It was rather polite of him to ring the bell instead of just barging in, don't you think? He and the Doctor scowl at each other for a while. Finally, Simeon says, "Release her to us. You have five minutes." He has an army of toothy snowmen behind him. What's he waiting for?
The Doctor grabs an umbrella and runs with Clara up to the roof. The Govern-Ice breaks free of her force field and chases after them. Clara figures out that the umbrella is meant for her, so that she can prove how clever she is and reach up for the TARDIS's ladder. The Doctor and Clara climb up with the Govern-Ice in hot... er, cold... pursuit. He sonics the cloud a bit so that the water vapor will keep the Govern-Ice trapped for a bit. This gives the Doctor enough time to show off the TARDIS. The new interior is sleeker and silvery and some of the metal bits have etchings that look like the writing on his old cradle. Clara stares in wonder. "Go on, say it," the Doctor tells her. "Most people do." She runs around for a bit, and then declares, "It's smaller on the outside!" The Doctor is surprised. "That's a first." Clara looks around some more, then wonders, "Is there a kitchen?" She says she likes to make soufflés. This makes the Doctor think for a bit, but the moment passes and he gets around to giving her the key to the TARDIS. "What's this?" she asks. "Me, giving in," he says. She cries happy tears. Everybody's happy! But they probably should have spent the time coming up with a way to trap the Govern-Ice for good instead of playing House Hunters Intergalactic, because the Govern-Ice pops up behind Clara and yanks her out of the TARDIS. The key goes flying from her hand. The Govern-Ice drags Clara to the edge of the cloud and they both fall down, down, down to the ground far below. The Doctor watches helplessly.