Here's the only TV Guide advertisement I've found so far for the second season of Buck Rogers in the 25th Century. In this case, it's for the second episode of Year Two, "Journey To Oasis," guest-starring 70s sci-fi fave Mark Lenard (Star Trek, The Planet Of The Apes, Cliffhangers!) as an old flame of Wilma's (!?).
I posted a bunch of first season Buck Rogers/TV Guide ads HERE, a while back.
FYI: I just noticed that the complete Buck Rogers (as well as the original Battlestar Galactica) series is now available for instant streaming on Netflix.