TV HIGHLIGHTS

Expedition Unknown, 8 PM on DSC; 12 AM on

DSC: Looking to answer enduring questions around Moses’ existence and the story of Exodus, host and explorer Josh Gates takes an epic adventure that starts with opening an ancient Egyptian tomb and ends with trekking what could be the true Mount Sinai in the new episode, “Mysteries of Moses.”

Does he find remnants of a burning bush or the location where Moses led the Israelites across the Red Sea?

So You Think You Can Dance, 9:01 PM on Ch. 19:

This is it — a new champion will be crowned in tonight’s Season 17 finale. It’ll be the first for Stephen “tWitch” Boss, JoJo Siwa and Leah Remini together as judges, but host Cat Deeley is a seasoned pro. The final two competitors go toeto-toe and must dance five performances each in order to impress the judges and the voting audience one last time before the winner is crowned, the title transferred and $100,000 makes its way into someone’s bank account.

Resident Alien, 10 PM

on SYFY and USA: It seems things are going swimmingly in Patience, Colo., as the second half of Season 2 premieres with “Autopsy,” and finds Asta (Sara Tomko) overwhelmed with guilt after she, Harry (Alan Tudyk), and D’arcy (Alice Wetterlund) get rid of the dead body. Meanwhile, an alien baby is on the loose, General McAllister (Linda Hamilton) is hunting for a genuine extraterrestrial and Deputy Liv (Elizabeth Bowen) makes contact with the Alien Tracker (Terry O’Quinn). Meredith Garretson, Corey Reynolds, Levi Fiehler, and Mandell Maughan also star. The show has been renewed for a third season.