Against Gary's advice, Yvonne invests all of their money in her new health food venture with a suspicious new partner. Meanwhile, in 1942, Phoebe goes into labour with Gary's baby and things don't go quite the way they'd planned.

Ron's marriage to Stella is over, and he isn't having any luck with the opposite sex. Meanwhile, he refuses to print any more white fivers for Gary to use in 1942, unless Gary sets him up with Yvonne's attractive friend Kate, who really isn't interested.

When Gary oversleeps in 1997, he misses his wedding to Phoebe in 1942. Meanwhile, Yvonne is upset that Gary's forgotten their anniversary, but all he can think about is how to make it up to Phoebe so that their wedding can still go ahead.

It's the eve of Gary and Phoebe wedding, and Gary is scheduled to attend two stag nights; one hosted by Ron in his new bachelor pad in 1997, another by visiting Canadian pilots at the Royal Oak in 1942, and Gary's night of heavy drinking in two centuries has predictably disastrous consequences.

While coming to terms with her miscarriage, Yvonne quits her job and becomes interested in alternate health therapies. Yvonne's constant presence at home makes it difficult for Gary to meet expectations in 1942, where Phoebe is starting to get frustrated at doing all the wedding planning on her own.

In 1942 Gary argues with Phoebe over where to send their unborn child to school, and Margie, the mother of Reg's son Frankie, turns up at the Royal Oak having left her abusive husband. Back in 1997, Yvonne experiences a complication with her pregnancy.

Gary and Phoebe take a trip to Liverpool to visit Phoebe's gran, while there he meets Ron's grandfather, who was famous for saving a child from a burning building. However, when the apparent "hero" is arrested, Gary returns to a shockingly different 1997.

After a fight with Stella's new boyfriend, Ron finds himself in trouble with the law. Meanwhile, in 1942, Phoebe receives a telegram about Donald that impacts the future of Gary and Phoebe's relationship.

Whilst Yvonne is in Korea on business, Gary and Ron concoct an elaborate scheme so that Gary can spend the week on holiday with Phoebe in 1942. When Gary's father unexpectedly turns up, Gary discovers his father has been keeping his own time travelling secret.

Yvonne and Gary agree to babysit their nephew, Arthur, who goes missing during his visit and is suspected of having time travelled to 1942. Meanwhile, both Yvonne and Phoebe are struggling with pregnancy related sickness, and Gary struggles to find his place in either era.

About to be a father in two different eras, Gary is feeling under pressure and starts smoking 1940s cigarettes in Yvonne's presence. Meanwhile, in 1942 Gary is accused of being a fence after her places an advert in the Times saying he would like to buy Swiss watches.