Tuesday’s highlights on TV include:
And you thought summer would provide a break from Ryan Seacrest. Nope. The ubiquitous TV host returns to preside over yet another reality series in “Knock Knock Live.” Unsuspecting people answering their doors have a chance to win prizes or once-in-a-lifetime experiences. 9 p.m., Fox
“Humanity From Space”: The history of humans (and our planet) is chronicled from a sky-high vantage point. 8 p.m., PBS
Season 8 of “Storage Wars” begins. 9:30 p.m., A&E
From Herald news services
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