
So here's what happened: after former Roseanne star, Sara Gilbert, guest starred on a couple of well-received episodes The Big Bang Theory, CBS announced their plans to upgrade her to series regular. So far so good. However, no sooner had the announcement been made, then Sara Gilbert's character all but disappeared from the show...
"...It turns out Gilbert is no longer a series regular! An insider tells me that the actress was bumped to recurring because producers weren't able to generate enough story for her character, who had been paired romantically with Leonard (played by Gilbert's former Roseanne co-star, Johnny Galecki). 'They couldn't write for her, so they changed her status to recurring,' whispers the insider. 'It's a little mystifying.'" (Ausiello Files)
First she gets blown up on the second season of 24, and now this. Sara Gilbert can't catch a break. Hopefully, the writers can get it together and give La Gilbert more stuff like this to do: