Second story of Gallifrey season 3. Released in June 2006 and written by Stewart Sheargold. Pretty good wrapping up of the Romana I storyline and Darkel is very sinister with her use of a bug bomb.
My Sci-Fi/Fantasy Security Council - Whoniverse, Blake's 7, Star Trek, Lost In Space, Babylon 5verse, Stargate, Buffyverse
My Doctor Who season count: 1-26 original series, 27-30 Paul McGann Big Finish (pre-2005), 31- current series.