Dale Earnhardt Jr. and his sister, Kelley, have opened up on their problematic relationship with their stepmother, Teresa, in the 24 years since their father's death.

Dale Jr. and sister Kelley talk about the struggles of growing up while their dad traveled for races and how it made them closer. For more, watch the first two episodes of 'Earnhardt' on Prime Video.

Approaching the age his dad was when he died at Daytona, a second-generation legend went looking for answers. I went looking, too.