Yep, they are all out!
It took me a long time but I finally have it all complete! I love it's dated cheesy goodness.
[Season 1] "Super Friends!" Vol. One & Vol. Two - Sixteen 46 Minute Episodes (1973)
[Season 2] "The All-New Super Friends Hour" Vol. 1 & Vol. 2 - Fifteen 21 Minute Episodes & Forty-Five 7 Minute Shorts (1977)
[Season 3.1] "Challenge of the Super Friends" - Sixteen 21 Minute Episodes (1978)
[Season 3.2] "Super Friends": Volume Two - Sixteen 21 Minute Episodes [Aired along side 'Challenge] (1978)
[Season 4] "The World's Greatest Super Friends!" - Eight 22 minute episodes - Available from Amazon on 11/12/13 (1979)
[Season 5] "Super Friends": A Dangerous Fate - Twenty-Four 7 minute shorts (1980-81)
[Season 6] "Super Friends": Legacy of Super Powers - Eighteen 7 minute shorts - AVAILABLE on DVD OCTOBER 8th! (1981-82)
[Season 7] "Super Friends": The Lost Episodes - Twenty-Four 7 Minute Shorts (1983)
[Season 8] "Super Friends: The Legendary Super Powers Show" - Sixteen 11 Minute Episodes (1984)
[Season 9] "The Super Powers Team: Galactic Guardians" - Six 21 Minute Episodes & Four 11 Minute Episodes (1985)