The Flash (8pm, CW) - This winning “Arrow” spinoff features Grant Gustin as scientist Barry Allen, who acquires super speed through a freak accident and becomes known as the Fastest Man Alive. In tonight’s opener, Barry is struck by lightning and awakens from a coma nine months later with his gift of super speed. He puts his new powers to work when another meta-human attacks the city. Read the full review of “The Flash.”
Finding Your Roots (8pm, UNC-TV) - With the help of Dr. Henry Louis Gates Jr., documentary filmmaker Ken Burns learns that his Southern ancestors include Confederate soldiers and a slave owner. Also, Anderson Cooper learns that an ancestor on his father’s side was killed by one of his slaves, and Anna Deavere Smith learns about her great grandfather, who was a free black man and former conductor on the Underground Railroad.
Selfie (8pm, ABC) - Eliza’s fling with a coworker gets complicated. Also, Henry’s first Facebook experience ends with disastrous results.
30 for 30: Playing for the Mob (9pm, ESPN) - This documentary looks at the fixing of Boston College basketball games in 1978-79. Details of the point-shaving scandal are revealed by actual fixers, including mobster Henry Hill (who was played by Ray Liotta in “Goodfellas”), BC players and federal investigators.
Supernatural (9pm, CW) - Season 10 begins with Dean enjoying life as a demon and carousing with Crowley. Meanwhile, Sam tries to figure out what happened to his brother.
NCIS: New Orleans (9pm, CBS) - An armored transport bus carrying Naval brig detainees crashes and four prisoners escape, including a black market broker who is one of the country’s biggest national security threats.
The Mindy Project (9:30pm, Fox) - Mindy hopes to impress Danny as their relationship enters new territory, and Morgan tries to fool Jeremy and Peter into settling their differences.
Chicago Fire (10pm, NBC) - A serious crash involving fire trucks from Firehouse 51 and the Austin firehouse results in drama and blame-shifting.