Larry talks to Charlie about a star that had been dead for 2.2 million light-years. A light-year is a unit of distance, not a unit of time. There is no way that an astrophysicist would make a mistake like this.
Multiple times Elizabeth Hopkins says that she is an employee of "Lloyds of London" and that her "company insured" an item of jewelry. Contrary to popular misconception Lloyds of London is an underwriter, or market, of insurance policies but does not actually insure anything.