Catastrophe Canceled Channel 4 Series Not Returning for Season 5

Rob and Sharon are in Ireland to say goodbye to Sharon's dad. Rob's utterly irrepressible mum Mia travels from America to pay her version of respects. With Fran reeling in shock, and Rob still unable to find the right time to talk about his almost-secret collapse, all roads are leading to a dramatic series finale.

Rob returns to his old job at Braeband, while bad news takes Sharon back to Ireland leaving Rob alone to cope. Unhappy with his situation, Chris decides to confront his nemesis.

Seemingly back in the swing of a fully functioning relationship, Rob and Sharon receive a very surprising dinner invitation from estranged couple Fran and Chris. Meanwhile, Fergal travels back to London to give an update on his unsatisfactory family life in Spain. Sharon has a check-up with a less than empathetic doctor where it's revealed that she's now pretty low in the egg department. And Rob's dark secret is uncovered by Chris.

Rob and Sharon face financial difficulty after hearing bad news from the estate agent. He is at an all-time low and tries to battle his weight gain by joining a gym. Meanwhile, Sharon's friend Fran is also dealing with vanity issues and tries to kick start a new life with plastic surgery.

Sharon returns to teaching, leaving Rob looking for a new job while in charge of the school run, where he is immediately embroiled in playground politics. Elsewhere Sharon's brother Fergal is moving to Spain, and while Rob goes to see Dave recovering in rehab, could his own addiction issues be rearing their ugly head?

The sitcom returns for a third series. Rob picks up where he left off last time, with an unexplained receipt for the morning after pill in his hand and a lot of questions for Sharon. Too drunk at the time to remember what she did, Sharon dodges Rob's interrogation and goes to see Nico perform with his band to find out the truth. Will she tell Rob what actually happened? The issue is unexpectedly forced when one of the kids has an accident.

Rob and Sharon are estranged. While Rob falls off the wagon, Sharon has a heavy night out that could have dire consequences

While Rob faces some ugly accusations at work, Sharon realises that she's not ready to return to teaching

Rob and Sharon celebrate a tainted wedding anniversary, while Fran and Chris drift further apart

Rob and Sharon embark on a trip to Paris in order to galvanise their love life. Unfortunately, results are mixed at best.

Rob faces an indecent proposal from an exotic new colleague, while Sharon suffers a tough rejection from her only 'mum friend'

Times have changed for the turbulent lovers with their new arrival at home. A family gathering brings Rob's mother and an incident with a dog.

Sharon decides on her maid of honour and Rob asks Sharon's brother Fergal to be his best man. Rob and Sharon enjoy their stag and hen nights, both of which spiral out of control.

Sharon and Rob plan their wedding while Rob plans a surprise birthday party for Sharon. Rob is fired via Skype by his Boston bosses and begins searching for employment in London.

Sharon's parents visit from Ireland and have a strained introduction to Rob. More health complications create stress for them both, and Rob's secret friendship with Chris explodes in his face.

Pregnant Sharon's hormones plague her with waves of horniness and sadness and a host of other fears. Rob begins a clandestine friendship with Chris, who is married to a woman Sharon can't stand.

Sharon faces the reality of having a new room-mate in the form of Rob, the man whose child she happens to be carrying. She introduces him to her brother Fergal who gives them both a royal hard time.

Can Sharon, 'an extraordinarily good-smelling woman', and Rob, 'a sturdy love-maker', navigate the thorny situations they find themselves in and still find time for an emergency shag in a stairwell?