Cuckoo is every parent's worst nightmare - a slacker full of outlandish, New Age ideas.
The Thompsons meet daughter Rachel's new American husband Cuckoo for the first time.
Ken is keen to lay down some ground rules for Cuckoo in the Thompson house.
Ken is delighted to be picked as a local councillor. Naturally, Cuckoo has some advice.
Ken is afraid that Cuckoo will send his beloved father-in-law Tony to an early grave.
Cuckoo motivates Lorna's best friend Connie to pursue her dream of becoming a singer.
Rachel and Cuckoo discover that their Thai beach wedding ceremony wasn't official.