Lifetime picked up a full season of family comedy “Rita Rocks,” which premiered Oct 20. — Through a new 4-yr agreement with MSNBC, Keith Olbermann will continue as host of “Countdown” and also play a prominent role in the net's coverage of all major news events. — Discovery Emerging Nets Group has inked a development deal with Whoopi Goldberg's company for series to air on Investigation Discovery and Science Channel. — Outdoor Channel announced “Jimmy Big Time,” an original scripted comedy slated for debut next year. The half-hour series offers viewers an inside look at outdoor activities with a mockumentary style of spoof and farce paired with over-the-top seriousness.