Starting in 2004, the UK Shameless followed the lower-class Gallaghers led by their useless and troublesome patriarch, Frank.

Dean Lennox Kelly returns for the landmark 100th episode of Shameless, as Mickey give Mimi an ultimatum: either the new boiler goes or he does; and suddenly Micky finds himself on The Jockey sofa.

As well as demanding that she earn the same wage per episode as Macy, who plays Frank Gallagher ... a major leading role in every episode, Shameless has now become a key piece of the channel ...