When Joe says the A word for the first time, Paul and Alison know they must talk to him about his autism. Maurice is catapulted back into the life of Louise, and Eddie and Nicola have a secret to keep.

Maurice and Louise clash. Paul makes an unexpected connection with Sophie. Eddie gears up for date night with his Manchester girlfriend, Holly.

Paul and Alison reconnect. Maurice has an existential crisis. Eddie teaches Joe to ride bikes.

Nicola makes a 'film' of Joe's behaviors. Maurice makes a shocking proposal.

An "End of Year Show" at Joe's old school brings his family members together. Paul’s deepest feelings about his son’s autism emerge when Nicola makes a film of Joe’s behaviours. Eddie reaches D-Day with Holly, while Maurice makes a shocking proposal.