1 can (14 ounces) unsweetened pineapple tidbits, drained
1-1/2 cups miniature marshmallows
1 cup whipped topping
Drain oranges, reserving juice; set the oranges aside. In a large bowl, whisk pudding mix and reserved juice until smooth (mixture will be thick). Stir in the pineapple, marshmallows and oranges. Fold in whipped topping. Refrigerate until serving.