The last I heard, the one-day Lights, Camera, Magic! trips have been cancelled, and the last one ran January 18th. No idea if they'll ever bring it back. I really wanted to take it later this year...
We were booked on it for August but ABD cancelled it and refunded us, this was back in November. I was so disappointed as we were so looking forward to it. I emailed asking why - was it lack of interest? too expensive? and received a lovely long detailed email which said everything except the reason why!
We're not booking anything for our week in Anaheim (except hopefully the Walk in Walt's Footsteps tour) just in case this either reopens or something similar is offered.