Survey says

Vikings quarterback Teddy Bridgewater's competitive spirit gets a preseason workout in "Celebrity Family Feud." He's representing the NFC offense, alongside usual nemeses Marvin Jones (Detroit Lions) and Joe Staley (San Francisco 49ers), in the second hour of this star-studded version of the durable game show.

7 p.m. Sunday, KSTP, Ch. 5

Lift me up

History books can't always be trusted. "The Unknown Flag Raiser of Iwo Jima," a new documentary, was instrumental in debunking the long-established belief that John "Doc" Bradley was one of the soldiers featured in that famous photo, solidifying formerly unsung participant Harold Schultz's place in future textbooks.

8 p.m. Sunday, Smithsonian Channel

Traveling first class

What's the most expensive TV show in history? If you guessed "Game of Thrones," you're wrong. "Marco Polo," which returns for a second season, costs $90 million for 10 episodes, a hefty price tag considering that you and your friends probably aren't watching. It's the show's international appeal that's keeping it afloat.

Now streaming on Netflix

Neal Justin