Reba McEntire has sold more than 75 million records and scored number one hits across four decades, earning the undisputed title Queen of Country. The image is pure glamour and royalty. But the same icon grew up on an Oklahoma cattle ranch, castrating bulls and dosing them with worm medicine before school, a long way from any red carpet.

This episode traces the distance between that ranch and the throne: the rodeo-family roots that shaped her grit, the terrified young woman who almost talked herself out of her first Nashville demo, and the decades of reinvention across music, television, and stage that turned a shy Oklahoma kid into one of country's most enduring stars.

• The Oklahoma ranch upbringing behind the Queen of Country
• 75 million records and number one hits across four decades
• The terrifying drive to her f ...