The Amazing Jonathan had some tickling happen on his comedy special "Wrong On Every Level". If you follow the link, take a look at the videos on the right hand side. The tickling of the audience volunteer (a doctor named John) takes place under the "The Amazing Jonathan Part 2/4." Click on that and the tickling happens within the first minute of that video.
http://www.truveo.com/ The-Amazing-Johnathan-DVD/id/2574383866
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http://www.truveo.com/ The-Amazing-Johnathan-DVD/id/2574383866
(remove the space in the link)