Creation Entertainment presents the Stargate SG-1 convention from noon to 6 p.m. today and Sunday at the Burbank Airport Hilton, 2500 Hollywood way. The event will feature some of the television show’s cast and crew. Tickets are $30 today; $35 for Sunday; and $15 for children 7 to 12. Children younger than 6 are free. For more information, call 409-0960.