"Sanctuary" is getting real good, especially with the return of Nikola Tesla, played by Jonathan Young.

The episode is called "End of Nights, Part 2," and is the second part of the second season premiere of the Syfy series starring Amanda Tapping, Robin Dunne, Ryan Robins and Christopher Heyerdahl.

In this episode, which airs Friday at 10 p.m. ET on Syfy, Dr. Magnus (Tapping) faces the ultimate choice. Save her daughter, played by Emilie Ullerup, or save the Sanctuary. Which one is she going to choose?

"Sanctuary" is off to a great start, its season premiere jumping 18 percent over its previous season in key demographics, according to SciFi Wire, a site operated by Syfy.

Get your first look at the second part of the season premiere, and catch the show every Friday at 10 p.m. ET on Syfy.