What2Watch Tonight

Mon, August 31

Big Blue Live

PBS, 8:00 pm ET

PBS and the BBC are producers of this remarkable three-day live event that documents the extraordinary rejuvenation of the once endangered and now thriving ecosystem of Monterey Bay National Marine Sanctuary in California. Some of the world’s most charismatic marine creatures — humpback whales, blue whales, sea lions, dolphins, elephant seals, sea otters, great white sharks, shearwaters and brown pelicans — convene in this once-a-year confluence.

2015 U.S. Open Tennis

ESPN, 1:00 pm ET
2015 U.S. Open Tennis

The year’s last Grand Slam returns to the USTA Billie Jean King National Tennis Center in Queens, N.Y., with US Open early rounds beginning today. Serena Williams looks to complete a dominant Grand Slam season with a fourth straight US Open women’s singles title. Marin Cilic is the reigning men’s singles champion. ESPN takes over as the exclusive US Open broadcast partner, and the tournament returns to its traditional 14-day schedule. ESPN and ESPN2 share tournament coverage through Sept. 13.

Fashion Police

E!, 8:00 pm ET
Fashion Police

Can this series reinvent itself with Melissa Rivers taking over the host chair once held by her tart-tongued mother, Joan? You can bet many people will be watching tonight's assessment of fashions at MTV's Video Music Awards as the show returns after a long hiatus with the younger Rivers joining Giuliana Rancic and Brad Goreski, plus guest stars Margaret Cho and NeNe Leakes. "Police" was rocked last spring as Kathy Griffin, who took over as host after Joan Rivers' death, bailed after just seven episodes.

So You Think You Can Dance

FOX, 8:00 pm ET
So You Think You Can Dance

Although the dancers on this show are competitors, it gets harder every week to say goodbye to the eliminated performers, so expect emotions to run high in the new episode "Top 6 Perform and Elimination," as one dancer each is cut from Team Stage and Team Street. Judges Nigel Lythgoe, Paula Abdul and Jason Derulo don't have much voice in who those hapless hoofers will be, but they're sure to have consoling words for them.

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