Whistleblower (The Office) fourth appearance on the show, after first appearing in "Sabre". Zach Woods made his ninth appearance on the show. While talking with his real estate agent on his cellphone, Dwight states that the office park is 1725 Slough Avenue. "Slough" is a reference to the UK edition of "The Office" which is set in Slough, United Kingdom. In its original American broadcast, "Whistleblower" was viewed by an estimated 6.60 million viewers with a 3.4 rating/10% share in the 18–49 demographic coming second in its timeslot after the season finale of "Grey's Anatomy", receiving the same rating as last week's episode,
Which? "Which?" magazine was published from a converted garage in Bethnal Green. Its central aim was to improve the standard of goods and services available to the public in the UK. Under the editorship of Eirlys Roberts, the publication started as a small 32-page magazine that included reports on electric kettles, sunglasses, aspirin, cake-mixes, scouring powders, no-iron cottons and British cars. By 1959, membership reached 150,000 and a membership services office in Hertford. In 1960, "Which?" helped to found the International Organisation of Consumer Unions, later Consumers International. In 1962, coverage expanded with the launch of the first quarterly "Which? car"