It's Greek to them
In a new episode of "Finding Your Roots With Henry Louis Gates Jr.," Tina Fey learns one ancestor was a hero in the Greek War of Independence, David Sedaris discovers his great-grand-aunt was taken captive by the Ottoman military and George Stephanopoulos finds out his family members risked their lives to oppose Nazi occupation of Greece during World War II. By sheer coincidence, all three can claim ties to Zorba the Greek. 7 p.m. TPT, Ch. 2
Barnstorming in the USA
"Cold War Roadshow" reminds us that not all Communists are stone-cold figures. This documentary captures Soviet Premier Nikita Khrushchev's visit to the United States in 1959, charming everyone despite the fact that we were at the height of the Cold War. Among the highlights: Khrushchev's visit to an Iowa farm where he indulged in his first hot dog. If that doesn't say "democracy," what does? 8 p.m. TPT, Ch. 2
Tall order
Yao Ming makes a great traveling companion in "Saving Africa's Giants," a documentary in which the basketball superstar tries to save African elephants from poachers. He goes to Kenya where he confronts a marketplace that is turning a blind eye to a trend that has killed 4.5 million elephants in the past 60 years. Edward Norton narrates. 9 p.m. Animal Planet
Neal Justin