Keith Gow, Writer

No spoilers. In the first season finale of Mad Men , Don Draper – an ad man in 1960s New York – defines nostalgia, from the Greek, as “pain from an old wound”. He’s pitching a campaign to Kodak, who are trying to sell their slide projector wheel. Nostalgia is delicate and potent, Don says. The carousel is about evoking memories, eliciting emotion. Nostalgia and the wheel arouse “a twinge in your heart, far more powerful than memory alone”. Throughout the presentation, we see photographs of Don and his family – telling us more about their lives and their history, arousing emotions for a family at the centre of the series. A family we know that is slowly breaking apart. The wheel "isn't a spaceship, it's a time machine. It goes backwards and forwards... it takes us to a place where we ache to go again. It's not called the wheel, it's called the Carousel. It lets us travel the way a child travels - around and around, and back home again, to a plac

The latest film in the Marvel Universe series feels like nothing so much as a season finale. And since Joss Whedon was once the master of creating season finales that were both emotionally satisfying and thematically resonant, it’s good to have him in charge for the second Avengers movie, Age of Ultron . I’d like to compare it to the epic scope of Buffy ’s “The Gift” but it feels more like Angel , if anything. Things change, the world moves on – and the best you can do is keep fighting. And embrace change. Tony Stark has always been flawed, but by the third film in his own trilogy, he seemed to have found an emotional peace. But with that peace comes the idea that he can use his technology – his faith in machines being his tragic flaw – to create a replacement for the Avengers. He births an army of robots to calm the populace and fight alien foes. Robert Downey Jnr’s Stark is such a towering figure in the Marvel Universe films – and to make him partly the villain of th