Meet Waldo… a CGI blue bear from a children's educational TV show who in reality is an anarchic character on a satirical late-night topical comedy show. Behind the scenes, Waldo is voiced and controlled by failed comedian Jamie Salter. When the channel decide they would like to give Waldo his own pilot, the production company enter him into a political race against one of his victims, Conservative Liam Monroe, for a stunt. Jamie isn't comfortable with politics - he just sees himself as a clown - but once the wheels start turning there's no stopping the thing. So what can Jamie do?

Here, stars David Tennant and Olivia Colman talk exclusively to ITV Drama about what this gripping eight-part drama entails.

Doctor Turner is concerned by the spread of tuberculosis in the community, Jenny tries to repair a father and daughter's fractured relationship, and Sister Bernadette receives devastating news.

In 1966, the Doctor Who production team decided to recast the show lead. The Revisited team looks back at the era of the new Doctor Who, played by Patrick Troughton, considering the impact of a new take on the character and the first appearance of the Cybermen. The regular contributors are joined by former companions Frazer Hines and Wendy Padbury.

Hannah goes along with Jessa to visit her estranged father, his alternative girlfriend and her teen son in Upstate New York.

Marty's plan to spend time with Roscoe conflicts with an executive retreat, while Doug sees his fellow Pod members in a different light after introducing them to his new girlfriend. Later, Tamara offers an intriguing revelation about her personal life, piquing Marty's interest.

Fiona is desperate to get the children back after the Department of Family Services hauls them away.

Rick and the group are forced to make a decision now that their safety is no longer guaranteed. Andrea feels uncomfortable now that Woodbury has become a police state.

Jeremy and Richard design a vehicle for the elderly, James assesses the new Range Rover around London and then faces the ultimate challenge against an autonomous military machine in Nevada. James McAvoy drives the Reasonably Priced Car.