CNN announced it would be airing a pair of hour-long documentaries about Sens. John McCain and Barack Obama. The documentaries debut August 20 at 8pmET (McCain) and 9pmET (Obama).

Correspondent John King fronts the McCain documentary, and Suzanne Malveaux Obama's.

The documentaries premiere five days before CNN kicks off its coverage of the Democratic convention, and they will replay various times leading up to Election Day.

For more information go to www.cnn.com.