The best way is to not broadcast live, that way any mistakes can be removed in editing. Live television will always carry some risk of bloopers, but the chances can be reduced through a practiced script, rehearsals and a quick-witted director.
CBS Comedy Bloopers - 1990 TV was released on: USA: September 1990
All-Time Great TV Censored Bloopers - 1985 TV was released on: USA: 1 February 1985
Celebrity A-List Bloopers - 2007 TV was released on: Canada: 17 March 2007 USA: 17 March 2007
Horsepower TV - 2006 Turbo Stang Motor Install and Bloopers was released on: USA: November 2008
There are a number of sites that offer a variety of TV Bloopers that can be viewed for free. There are many posted on the YouTube site, but they can also be found on sites such as "ovguide" and "metacafe".
Piper's Picks TV - 2008 Piper's Poopers and Bloopers 1-25 was released on: USA: 16 December 2008
ESPN often shows many segments that consist mainly of bloopers or other mistakes by athletes. However, if ESPN is not showing one of these segments, Bobby Kelton hosts a show called T.V.'s Greatest Sports Bloopers.
The cast of TV Censored Bloopers 98 - 1998 includes: Dick Clark as Host John Downey III as (1998) Suzanne Whang as Co-Host
You can find the bloopers on a dvd set where it has all the episodes and on the bonus features it can be their where it will some behind-the features and maybe next to it will be the bloopers of the episodes.
About an hour not including Bloopers and cutout scenes.
TV's Greatest Censored Commercial Bloopers - 1984 TV was released on: USA: 31 January 1984
TV's Bloopers and Practical Jokes - 1984 1984-05-21 was released on: USA: 21 May 1984