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Season 1 - Jan. 09, 2000
Season 2 - Nov. 05, 2000
Season 3 - Nov. 11, 2001
Season 4 - Nov. 03, 2002
Season 5 - Nov. 02, 2003
Season 6 - Nov. 07, 2004
Season 7 - Sep. 30, 2005

Malcolm in the Middle Season 5 Episode 21
HD
Overview:
Reese’s new girlfriend Beth is about as dumb as he is. Malcolm initially dislikes her but they soon get to like each other too much and Beth breaks up with Reese. Devastated, Reese runs away and joins the army under the false surname.