Karen Young and Jenny Young

Karen Young and Jenny Young is the sibling relationship that started before Series 30 between Karen Young and Jenny Young.

Episode 1
Karen and Tanya Young bring their half-sister Jenny to school for her first day. Jenny tells Jake that people think Karen is clever and Tanya is glamorous and she doesn't know how she can compete. After school, Jenny and Lucy Johnson start a fight, but Karen and Tanya, as well as Tigger and Tigger Johnson, break them up.

Episode 5
Jenny isn't washing her hair as part of an experiment and Karen tells her she stinks. Emma asks Karen and Jenny where Tanya is.

Episode 6
Tanya bunks off to see Togger after he decides not to come to school. Tanya explains how her mum had an affair with Karen's dad and Jenny is her mum and stepdad's daughter.

Episode 12
Jenny is disgusted when Karen and Eleanor Smith wonder if Kathy McIlroy and Donnie Briscoe slept together. Jenny is sarcastic when Togger asks where Tanya is and makes remarks about Emma being sick. Emma thinks Tanya told Karen that she is pregnant when Karen talks to her and Jenny interrupts. Tanya joins them, defending Emma against Jenny.

Episode 13
Karen arrives at school with Jenny, who is showing Jake a mind reading app on her mobile. Taylor Mitchell asks them if Emma is staying with them as there is a letter for her.

Episode 19
Tanya tells Jenny to be at Karen's dance competition. Jenny and Jake interrupt Karen and Ross Duncan's dance by wearing foam fingers and leprechaun hats with hooters and chanting.