That was an episode of St. Elsewhere, so your memory isn't faulty there.  The dumb excuse they gave for St. Elsewhere not being released on DVD is because they couldn't get past music copyrights.  So instead of replacing the music (which played very minor in the shows) with muzak or something, they decided to not…

Yeah, but in season 3, it was shown that Peter White wasn't the rapist.  Someone else was caught trying to commit the repeated crime in the hospital after Peter White had been shot.  I know the entire show was taking place in the mind of an autistic child, but the lack of solid continuity within the show would…