The Dallas International Film Festival, which runs from April 8 to 18, just announced it is adding five new docs to the line-up. The newly-added docs are SXSW hits Bear Nation and Lemmy: The Movie; Learning From Light: The Vision of I.M. Pei; When I Rise and Sundance favorite Cane Toads: The Conquest which will be the first film ever to be shown in 3D at the festival.