RLTV's new series “Who's Cooking with Florence Henderson,” which features celebrity chef Govind Armstrong, will premiere Feb 27 at 9pm. — The Science Channel is scheduled to premiere the special “Russian Meteor Explosion” Sat at 8pm. A meteor weighing nearly 11 tons streaked across the sky and broke up over a Russian mountain city Fri, injuring nearly 1K people. Meanwhile, a 13-story-sized asteroid will pass within 17,100 miles of Earth this weekend before heading off into space. Talk about a Freaky Friday!