Don't miss: 'Sharknado 3: Oh Hell No!'
Just when you thought it was safe to go outside, scary flying sharks again are filling the summer skies. This time, the forecast calls for even more madcap zaniness as a massive Sharknado wreaks havoc along the Eastern Seaboard from Washington to Florida. Fortunately, Ian Ziering and Tara Reid are back to battle the toothy sea creatures. They're joined by David Hasselhoff, Bo Derek and many other folks whom you might have to go Google. 9 p.m. Wednesday, Syfy.
SUNDAY: As the fish-out-of-water sitcom Welcome to Sweden returns for its second season, Bruce (Greg Poehler) wants to propose to Emma (Josephine Bornebusch). But problems arise when he tries to get her father's blessing. 8 p.m., NBC.
SUNDAY: Tut is a three-night miniseries that whisks viewers to the days of the pyramids and recalls the story of Tutankhamun, one of history's most extraordinary rulers. Avan Jogia plays the Egyptian pharaoh, and Ben Kingsley is his scheming adviser. 9 p.m., Spike TV.
MONDAY: Uh-oh, this could get ugly. On The Bachelorette: The Men Tell All, 15 rejected suitors return to dish about Kaitlyn and each other. Also: bloopers from the season. 8 p.m., ABC.
MONDAY: So You Think You Can Dance celebrates its 10th year of existence with two nights filled with special performances from past contestants, the show's favorite moments and "plenty of surprises." 8 p.m., Fox.
TUESDAY: Taking the long view — a really long view — Humanity from Space uses mind-boggling data and CGI to trace humanity's 12,000-year journey from hunter-gatherer to dominant global species. It's all seen from the perspective of space. 9 p.m., KET
TUESDAY: 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.
WEDNESDAY: Home Free is a new reality series in which couples are challenged to renovate a run-down house with the hopes of ultimately winning their own dream home. Contractor Mike Holmes is the host. 9 p.m., Fox.
WEDNESDAY: Last Comic Standing returns to give a new batch of jokesters a chance to make us laugh and win $250,000. Judges include Roseanne Barr, Keenen Ivory Wayans and Norm MacDonald. 9 p.m., NBC.
THURSDAY: It's lights out in Wayward Pines as the creepy saga ends its first season. When the town's electricity gets turned off, Ethan (Matt Dillon) and Kate (Carla Gugino) take drastic measures to protect as many people as possible. 9 p.m., Fox.
FRIDAY: The Messengers, a pre-Apocalypse drama, wraps things up after just one season of subpar ratings. Apparently, not enough viewers got the message. 9 p.m., The CW.
SATURDAY: OK, you survived the latest Sharknado. Are you ready for Lavalantula? This campy creature feature has Steve Guttenberg fighting off a huge swarm of fire-breathing tarantulas that emerge from volcanos in Los Angeles. 9 p.m., Syfy.
Contra Costa Times