Siblings, the combination of a best friend and a pain in the neck. Sophie, Heidi and Ned are joined by comedian Olga Koch to talk about the special place brothers and sisters occupy in our lives as best friends, worst enemies and distant acquaintances. Sophie highlights the fun of extended families, Ned brings a brotherly rivalry to the studio, Heidi looks at telepathy in twins, and Steve Ali swings by to talk about his family dynamics after his siblings also became refugees. Co-created by Deborah Frances-White for The Spontaneity Shop and BBC Radio 4. Produced by Al Riddell. Music by Mark Hodge and Omahrose, produced by Nick Sheldon. Clips: One to One (06/01/2018) Shared Experience (02/01/2017) Bringing Up Britain (25/01/2014)