I'm guessing here, but I'm thinking the episode Buzzr aired the 20th was episode A-92D, 9/3/79. I say that, since at the start of the show Tom mentions that they've given away over $75,000 in the last four shows, and right before that day's Gauntlet Tom expands on that by saying if Gwendoline won, it'd be the fourth win in five attempts, and in Randy's recollections he mentions that there were three other $25,000 winners besides him on his second tape day. So, since we know Randy's second show was A-88D, counting four shows forward would get us to A-92D. Which means the commercial alignments should go back to normal by Monday, if they air A-89D tomorrow, A-90D on Thursday, etc.