The family is growing! Last week we told you that Simmy was going to meet some new friends and here we are… Jack and Ianto are going to join the Master in this unexpected holiday in the Seventies, but the great problem is still unfixed: Gene’s collection was ruined by Baby Yana and if they don’t want to be killed they have to sort out a solution!!!!
Of course the Back to The Future quote is intentional 😉

The Good, The Bad And The Ugly - Part 1
The Good, The Bad And The Ugly - Part 3