Nature

And National Geographic Channel has the third season premiere of Python Hunters at 7:00.

Shark Men has its second season premiere on National Geographic Channel at 5:00.

Airs: March 11 at 9:00 PT/9:00 ET
Record

BBC AmericaBBC America continues the nature theme with 24 Hours on Earth, an exploration of how plants and animals handle the 24-hour cycle, at 9:00.  No, it’s not the 24 hour news cycle.

Airs: March 18 at 9:00 PT/9:00 ET
Record

BBC AmericaThe first season finale of 24 Hours on Earth, an exploration of how plants and animals handle the 24-hour cycle, is on BBC America at 9:00.

Aerial America
Airs: September 07 at 9:00 PT/9:00 ET
Record

Smithsonian ChannelIn honor of the fiftieth anniversary of the signing of the Wilderness Act of 1964, the Smithsonian Channel is airing Aerial America:  Wilderness, a look at the land covered by the Act, at 9:00.

 

DiscoveryThe premiere of Africa, a seven part series on the Discovery Channel, airs tonight at 10:00.  Brought to us by the same team that did Life for Discovery, the series promises some fantastic footage.
[notdevice]

[/notdevice]

DiscoveryThe season finale of Africa, in which we are shown how the series was made, is on Discovery at 10:00.

Airs: April 22 at 8:00 PT/8:00 ET
Record

National GeographicToday is Earth Day and National Geographic Wild has Africa’s Wild Coast, a documentary about efforts to protect Gabon’s rich coastal waters which are under attack from illegal trawling, putting humpback whales, hippos, sharks and other animals in danger, at 8:00.