Vanya has no marks or bruises on her face despite having just been hit with the butt of a rifle.
When Vanya is facing Gibbs and using her power on him, the nurse puts a cloth over her face, which takes approximately eight seconds to render her entirely unconscious. There is no substance on Earth that does that, including chloroform and ether.
The FBI agent interviewing Vanya records the session on a tape machine. The FBI has never used recording devices in interviews, only written reports called 302s.
Ray says Herb and Diego "beamed into our living room." This expression was not popularized until three years later in 1966 with the premiere of Star Trek (1966).
The Dubliners 'Whiskey in the jar' , heard in the Irish theme bar, was first released in 1967.