Who knew making a television show about time travel and dinosaurs would be so difficult? Oh, right, everyone. The Los Angeles Times reports that a majority of the writing staff on the Steven Spielberg-produced Terra Nova was let go last week 20th Century Fox Television, though show runner Brannon Braga (24) remains. Despite the staff setbacks, Nova is still on-target to premiere in May 2011 with a two-hour stand-alone pilot, before joining the schedule full-time the following fall. Fingers crossed? [LAT/Show Tracker]