View these NASCAR Classics from Bristol as the Cup Series goes racing under the lights in Thunder Valley on Saturday (7 p.m. ET, USA).

The NASCAR Xfinity and Cup Series are both on track Friday at Bristol Motor Speedway. The Xfinity Series will practice and qualify ahead of its race Friday night — the final race of the regular season. Dale Earnhardt Jr. makes his return to the series. This is his first Xfinity race since last year.

Corey Day, a standout dirt racing talent, secures a four-race stint in the NASCAR Truck Series with McAnally-Hilgemann Racing.