Jonathan Alter, Ethan Nadelman Tonight Stephen welcomes the founder and executive director of the Drug Policy Alliance, Ethan Nadlemann. Details Casts Galleries Posters Season Lists Title Jonathan Alter, Ethan Nadelman Genres News Comedy Release Date 2009-04-30 Episode Runtime 00 Hours 24 Minutes Season Number 5 Episode Number 59 Production Companies Busboy Productions, Spartina Productions Stephen Colbert... Self - Host... Original Size (1920x1080) Original Size (1280x720) Original Size (2000x3000) Season 1 32 Episode(s) 2005-10-17 Season 2 161 Episode(s) 2006-01-09 Season 3 138 Episode(s) 2007-01-08 Season 4 160 Episode(s) 2008-01-07 Season 5 161 Episode(s) 2009-01-05 Season 6 161 Episode(s) 2010-01-04 Season 7 124 Episode(s) 2011-01-03 Season 8 155 Episode(s) 2011-10-03 Season 9 155 Episode(s) 2012-10-01 Season 10 160 Episode(s) 2013-09-30 Season 11 40 Episode(s) 2014-09-29