From early examples such as Star Trek and Sapphire and Steel to more contemporary shows including Life on Mars and The Vampire Diaries, time has frequently been used as a device to allow programme makers to experiment stylistically and challenge established ways of thinking. Time on TV provides a range of exciting, accessible, yet intellectually rigorous essays that consider the many and varied ways in which telefantasy shows have explored this subject, providing the reader with a greater understanding of the importance of time to the success of genre on the small screen.