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? supplement, which becomes "Motoring Which?" in 1965, followed by "Money Which?" in 1968. In 1970, "Which?" bought a set of buildings in Harpenden, Hertfordshire, to set up labs to test products including domestic appliances, DIY equipment, and consumer electronics. Previously, the work had been contracted out. The 1970s saw "Which?" taking a greater campaigning role, and it began to adopt a more aggressive stance on issues such as lead poisoning and aircraft noise. In 1971, for example, "Which?" published the first league table on the tar and nicotine content of cigarettes. The organisation also dabbled in high street consumer advice