Monroe is Chief Marketing Officer for National Geographic Channels' domestic networks
World Champion will attempt to swim down 350 feet on a single breath
The gang will take on "Man v. Monster," "Swamp Men" and "Alpha Dogs" in "Total Riff Off" special set for Tuesday
The President will launch the series with a video message on Sunday
The host and producers will gather at 6 p.m. PT at the Cosmos Pavillion at the Greek Theatre in L.A.
All 13 episodes of the original Carl Sagan series will air over the weekend
"Anger Management" star will narrate Vietnam special "Brothers in War"
Coots died after suffering a snake bite during a church service
Seth MacFarlane-produced "Cosmos: A Spacetime Odyssey" premieres on March 9 on FOX and March 10 with extra footage on NatGeo
New series will pit inventions against each other in a battle to the death
3.4 million tune in to Rob Lowe as tragic president
The actor talks to TheWrap about what's it's like to shoot JFK -- and Rob Lowe
The film's least-known lead steals the show in the network's adaptation of Bill O'Reilly's book
The cable network will air new episodes dubbed "Life Below Zero: The Thaw" starting in late-October
Mouse from Steve Jobs' first mass-marketed computer unearthed in 30-year-old time capsule
The Nat Geo movie will debut Sunday, Nov. 10
Daredevil feat by rock climber Alex Honnold will air as a two-hour special in the fall
"Killing Jesus" will portray Christ as "a beloved and controversial young revolutionary"
"Killing Lincoln" draws 3.4 million total viewers, the most in the network's history
Adaptation of Bill O'Reilly bestseller "Killing Lincoln" will debut Feb. 17
Scott Free Productions will work with National Geographic Channel to produce adaptation of Bill O'Reilly's book "Killing Kennedy: The End of Camelot"
Harvey Weinstein executive-produced "SEAL Team Six" scores network's best numbers since August 2011 George W. Bush interview
"If the Mitt Romney campaign wants to see a preview, they can certainly be in touch," the National Geographic Channel boss says of controversial Osama...
National Geographic Channel says it didn't consider the election when scheduling a drama about the hunt for Osama bin Laden
Athletes wear 130 pounds of armor, carry 11-foot lances and charge around on horses to compete in the Ultimate Jousting Championship
From an exclusive interview with George W. Bush to a Paul McCartney documentary, here's what the networks have planned