Dissolve gelatin in boiling water.
Break up and stir in cranberry sauce; mix well.
Stir in cold water; mix well.
Chill until partially set.
Fold in pineapple with liquid and oranges.
Coat five 13-in.x 9-in.x 2-in.pans with nonstick cooking spray; pour about 11-1/2 cups gelatin mixture into each.
Chill until firm, about 4 hours.