Miss Deadline’s top TV stories? Catch up on the week now:

Bob Costas Olympics returnBob Costas Returns To Sochi Olympics Coverage Monday (Photo)
By Lisa De Moraes – Bob Costas returned to the NBC Olympics studios at the International Broadcast Center in Sochi, Russia, today to prepare to resume his primetime and late night hosting duties tomorrow night.

‘Snake Salvation’ Star Dead From Snake Bite; NatGeo To Air Tribute Episode
By Jen Yamato – With the first season fully filmed National Geographic had no plans for a second season of Snake Salvation, says a network rep. Now in the wake of Jamie Coots‘ death NatGeo is working up a special tribute episode “so people can understand Pastor Jamie and his method of worship and see that he died doing what he believed was his calling.”

Actors Added To Fox’s Matt Hubbard, ABC’s Jeff Lowell Comedy Pilots
By Nellie Andreeva – Ely Henry (Suburgatory) and Asif Ali have been cast as leads in Cabot College, Fox‘s multi-camera comedy pilot from Matt Hubbard, Tina Fey and Robert Carlock.

Ralph WaiteR.I.P. ‘The Waltons’ Patriarch Ralph Waite
By The Deadline Team – The man who played the patriarch on CBS’ long-running series The Waltons has died. Ralph Waite was 85. He also had been recurring since 2008 as Papa Gibbs, the father of Mark Harmon’s character, on NCIS.

Greta Gerwig To Topline CBS’ ‘How I Met Your Mother’ Spinoff
By Nellie Andreeva – Indie darling Greta Gerwig will lead the cast of How I Met Your Dad, CBS’ spinoff from long-running comedy series How I Met Your Mother.

Bethenny Frankel’s Talk Show Cancelled
By Nellie Andreeva – There will be no second season for Bethenny, Bethenny Frankel’s softly rated syndicated daytime talk show executive produced by Ellen DeGeneres.

Dwayne Johnson’s HBO Half-Hour Pilot ‘Ballers’ Picked Up To Series
By Nellie Andreeva – Dwayne Johnson is headed to HBO‘s primetime. The pay cable network has picked up to series half-hour pilot Ballers toplined by the wrestling and movie star in his first major series gig.

WGA West & WGA East Slam Merger Of Comcast And Time Warner Cable
By Dominic Patten – Following their West Coast brethren, the Writers Guild Of America East today also came out against the proposed Comcast purchase of Time Warner Cable.

sharknado‘Sharknado 2′ Cast Unveiled; Production Starts Next Week
By Lisa De Moraes – Vivica A. Fox, Mark McGrath, Kelly Osbourne, Andy Dick, Judah Friedlander, and Judd Hirsch have been cast in Sharknado 2: The Second One – set to begin production next week.

CW Gives Early Renewals To ‘Arrow’, ‘The Vampire Diaries’, ‘Supernatural’, ‘Reign’ & ‘The Originals’
By Nellie Andreeva – As it has done in the past couple of years, the CW has given early renewals to its strongest series. The list includes flagship dramas The Vampire Diaries and Arrow, formidable veteran Supernatural and freshmen The Originals and Reign.

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