It's Martin's final week at primary school and he wants to leave a mark. Fidelma manages to drop a bombshell.

Martin and Sean discover Grandad also has an imaginary friend.

Celebration is in the air as St Patrick's Day dawns, but the Moones are having a different kind of party today: Fidelma's wedding.

Like all young lads in the early 90s, Martin wants needs a Sega Mega Drive. Be gone slinky, hello magic machine. But Liam is having none of it: not only is this whole computer thing just a fad, work is slow and money is tight.

Martin is about to start secondary school, and with this new era comes attending his first school disco.

Fed up with being caught between two warring parents, Padraic disappears with Martin. Crunchie Haystacks finds it hard to cope.

In Boyle, Ireland in 1989, Martin Moone has made a somewhat unusual friend.

Uncle Danny arrives just in time for Martin's birds-and-the-bees talk with Mum and Dad. Sean seeks solace with other imaginary friends when Martin upsets him.

Martin and Padraic travel to Dublin whilst Liam runs into a former flame.

Martin befriends new boy Trevor in order to dine on his family's regular gourmet meals while Debra is too distracted with political campaigning to feed her youngest child. Ma Moone and her friends hope to incite girl power in the local area by canvassing for politician Mary Robinson, but they're less than thrilled when they're forced to turn to fishy rich man Francie Feeley for funding.