When Tony and Roger come back from the space mission Tony removed his helmet in the capsule. This is not accurate astronauts would not take their equipment out until they are secure by the rescue team.
When Jeannie doesn't have her powers, she has no other clothes besides her Jeannie outfit and can't get into her bottle for the clothes she keeps in there. So she shouldn't have had any way to get the clothes she was wearing at NASA.
She says on the telephone call with Maj. Nelson that she had to buy the dress at a department store.
She says on the telephone call with Maj. Nelson that she had to buy the dress at a department store.