For the week starting Thursday, July 29. Times are E.D.T., subject to change.
Mike and Buff's Mailbag (Thurs. 3:45 p.m., CBS). Eloise McElhone on husbands and wives at parties.
General Matthew Ridgway (Fri. 10:30 p.m., NBC) addressing the opening session of the Columbia University American Assembly conference at Harriman, N.Y.
Adventures in Science (Sat. 3:15 p.m., CBS). All about the horseshoe crab, which has been going strong since dinosaur times.
Memo from the U.N. (Sat. 6:15 p.m., CBS). How the U.N. tries to control floods, avalanches, earthquakes, etc. around the globe.
Night Watch (Sat. 8:30...