Sci Fi Announced Summer Premiere Dates

The new third season of Scare Tactics kicks off July 9 at 10 p.m. ET/PT with two back-to-back episodes. New host Tracy Morgan (NBC's 30 Rock) joins the show. Before that, Ghost Hunters International returns with seven new episodes beginning July 9 at 9 p.m. ET/PT.

Stargate Atlantis's 20-episode fifth season begins July 11 at 10 p.m. The new season introduces a powerful new race and will feature the show's 100th episode. Robert Picardo joins the regular cast as Richard Woolsey, and fan favorite Paul McGillion returns for five episodes as Dr. Carson Beckett. Amanda Tapping (Col. Samantha Carter) and Stargate SG-1 star Michael Shanks (Daniel Jackson) will also appear as special guest stars this season.

Eureka's third season premieres July 29 at 9 p.m. Season three delves deeper into the classified inner workings of Global Dynamics and will feature new characters, including Eva Thorne, aka "The Fixer" (Frances Fisher), whose mission is to clean up Global Dynamics.