Formerly known as Toronto Trek, TT20 is coming to town this weekend, celebrating the sci-fi and sci-fi-esque genres. This year is extra-special as it will serve as a venue for Star Trek's 40th Anniversary. Slated to make appearances this year are Star Trek's Mr. Sulu (George Takei), Lost crazy French Woman Rousseau (Mira Furlan), WiccaDyke Tara from Buffy (Amber Bensen), Tom Zarek from Battlestar Galactica (Richard Hatch), and many more. There will be a......