Actually, all the 80's songs were present on previous VHS releases (not any of the recent R1 DVD versions, although one was left in on a Super Mario 3 episode on the "King Koopa Katastrophe" compilation) and all 80's songs are also present on the recent Region 2 DVD releases of the show, which...
While I am disappointed by the bizarre lack of the full 13 Mario live-action segments to match the number of Zelda shorts pulled aside for this collection, there are some possible explanations for it. One: They could not secure the rights for certain guest star segments to be included (a la...
It's 65 episodes long, including the 13 Zelda episodes. Therefore, 52 of the episodes are entirely Mario-centric (although Thursday episodes--I believe--included promos for the next day's Zelda cartoon). TV.com has guides for both SMBSS and Zelda, although they are separated for some reason.
Close, but not quite accurate. "The Legend of Zelda" is PART of the "Super Mario Bros. Super Show." The SMBSS was 65 episodes long (the minimum for syndication). Each episode was structured with a live-action skit with live-action Mario Brothers split in half, bookending a cartoon. On Monday...