Wednesday’s highlights on TV include:
On “Nature,” an episode called “Penguin Post Office” looks at a colony of 3,000 penguins that gather annually on the Antarctic Peninsula. I wonder how many of them are mail? 8 p.m., PBS
Dramatic collapses are shown in “Sinkholes — Buried Alive” on “Nova.” 9 p.m., PBS.
The suspenseful adventures of Phillip and Elizabeth Jennings (Matthew Rhys, Keri Russell) resume as the Cold War-era thriller “The Americans” launches its third season. Now, the undercover Russian spies have differing opinions on how to handle orders from their bosses regarding their teenage daughter. 10 p.m., FX
From Herald news services
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