Near the beginning of the episode, to establish that Sam is in the 1950s - The Howdy Doody Show (AKA The Howdy Doody Show) is shown playing on the television set. September 13th, 1956, the date that this episode takes place, fell on a Thursday. In 1956, this show was broadcast on Saturday mornings at 10 AM and would not have been on the TV that particular morning.
Early on, Al is seen by Sam in the back of the cargo plane with his clothing flapping in the wind. Though, to Al, his surroundings are nothing but a hologram, and thus, nothing around him should have any physical effect on him - including wind.