Speakers' Corner topics are divided by interest and known as "classes". An area was set up in Bangkok in the 1930s, and quickly became known as Hyde Park, to enable freedom of speech and the airing of political views in Thailand. The area was shut down after student rioting and the lethal intervention of the army and it is not discussed openly today. In 1955, Marshal Plaek Pibulsonggram had visited London as part of an international tour. He became impressed with the 'Speakers' Corner' in Hyde Park. Upon his return to Thailand a 'Hyde Park' space for free speech and assembly was
Speakers' Corner (TV series) popular that at least one special episode of the series was devoted entirely to their clips. For part of their stint on the series, Harry, a senior citizen who disliked their style of comedy, would regularly record videos criticizing them, which turned into an ongoing war of words between him and the Advocates. Howell and Currie stopped appearing regularly on "Speakers' Corner" when they were given their own show, "Improv Heaven and Hell", on The Comedy Network in 1998. Some established celebrities, including Madonna, Harrison Ford, Mike Myers and Jean Chrétien, also recorded "Speaker's Corner" segments. Some recorded segments were