From an ABC release, via Playbook:
"President and Mrs. Obama will sit down with Barbara Walters at the White House for their first joint television interview this year. In what has become an end-of-the-year tradition, Ms. Walters will interview the President first and then Mrs. Obama will join the conversation. The interview with the President and First Lady will air on a '20/20' Thanksgiving special on FRIDAY, NOVEMBER 29 (10:00 - 11:00 p.m.)