12.1 Ice Heist! by Guy Adams (4 parts) - Recently, the world changed for Margaret Hopwood. Everything she knew was turned upside down by the arrival of a strange man in a blue box. And now nothing in her life seems the same. So when he comes back with a lady called Leela and an invitation to an unusual art gallery, she’s more than happy to join him for the ride. And what a ride it is. Because it’s an art gallery on a distant world… where a deadly plan is about to commence - one involving creatures called Ice Warriors. 12.2 Antillia the Lost by Phil Mulryne (4 parts) - Antillia. A place of mystery. A manufactured island in space, lost to time. But now it’s finally been found. The Doctor and his friends arrive on Antillia at the same time as an expeditionary party, delighted to solve one of the great mysteries of history. But they may have found more than they bargained for. Some things are better off lost.