Thanks. Here are the ones which show up under a 'Star Wars' search:
http://siskelandebert.org/video/SR5NUG512SM6/Invasion-of-the-Outer-Space-Movies-1980
http://siskelandebert.org/video/4HX3NUKM73G9/Siskel-amp-Ebert-vs-John-Simon-on-Ted-Koppel8217s-Nightline-1983 (Simon is my hero)
http://siskelandebert.org/video/U415SBG352SM/Star-Wars-Jedi--Blue-Thunder-1983
http://siskelandebert.org/video/AGO5ARD1S17A/At-the-Movies-1983-The-Secret-of-Star-Wars
http://siskelandebert.org/video/7K6569439XM8/At-the-Movies-1985-Science-Fiction-Special
http://siskelandebert.org/video/83OO72KB58N2/The-Future-of-Movies-1990
http://siskelandebert.org/video/DKD1YKAUK71X/Gridlock8217d--Star-Wars-Special-Edition-1997
http://siskelandebert.org/video/8964S76YWYD1/Star-Wars-The-Phantom-Menace-1999