Brad Wright—executive producer of SCI FI Channel's original series Stargate SG-1 and Stargate Atlantis—told SCI FI Wire that it's been like old times having Richard Dean Anderson back on set for several guest appearances on both shows, reprising his role as Gen. Jack O'Neill. Anderson's first appearance will be in "200," SG-1's 200th episode, which will air Aug. 18 as part of the series' upcoming 10th season. "It's been a lot of fun to see him again," Wright said in an interview. "He's doing two episodes of SG-1 and three episodes of Atlantis." Anderson left the Stargate fold after season...