Frozen In Time uses the power of the freeze frame to give a different slant on otherwise familiar Doctor Who stars and adventures. This week, "The Ribos Operation" in which Mary Tamm appears to be about to swear, the two leading actors fail to orgasm at the same time, we laugh at Nigel Plaskitt's face and the Graff Vynda-K sits on a bench and proudly shows off his moustache.