A conflict-resolving crystal given to them by their eccentric neighbour enables a mother and daughter to swap identities, allowing them to see things from the other's point of view.

Megan and Margaret both have dates, but who is going out with whom? Chaos reigns as Megan goes to a posh restaurant, while Margaret ends up at the cinema with Nelson and a jealous DC decides it is time for a makeover.

Penny Carter is bullying Megan at school and Margaret is under pressure at work.

Megan and her mother swap bodies just as the youngster boards a coach for a school trip.

Megan has a Cup Final coming up and wishes her mother would show more interest, but soon she has other things on her mind when a new boy arrives on the scene.

Dad comes to stay and Megan is delighted. But a body swap with Mum means she finds out a lot about him and her family.

Megan and Margaret share the same birthday and chaos ensues when each decides to throw the other a surprise party.

Megan wins the lottery and goes on a mad spending spree. Mum, trapped in Megan's body, learns what it's like being a child with two paper rounds, no money and peer pressure.

Megan is in the doghouse after parents' evening, and to make things worse her little brother Freddie has won a class trophy. When he is also chosen to star in the school promo video, Megan decides to run away because no-one appreciates her.

Megan is faced with a tough decision when a bossy friend tries to break up her friendship with DC. Atomic Kitten save the day for Margaret.

Megan is terrified that she and Freddie will be pushed out when her dad announces he is marrying new partner Sabrina, and does all she can to sabotage the wedding.

Megan starts a freedom strike in school after finding out her mother has a new job in London, and has put the house up for sale, without telling her.

Megan has a crush on a sixth former and Margaret has a crush on her dance teacher. However in order to impress the men they like, Megan and Margaret must once again swap places.

Chaos descends when Megan's glamorous gran Marlene comes to stay after Margaret breaks her leg.