Ben 10 — Season 4

E01 Perfect Day 07 Jul 2007 E02 Divided We Stand 14 Jul 2007 E03 Don't Drink the Water 21 Jul 2007 E04 Big Fat Alien Wedding 28 Jul 2007 E05 Secret of the Omnitrix (1) 04 Aug 2007 E06 Secret of the Omnitrix (2) 04 Aug 2007 E07 Secret of the Omnitrix (3) 04 Aug 2007 E08 Ben 4 Good Buddy 22 Sep 2007 E09 Ready to Rumble 29 Sep 2007 E10 Ken 10 06 Oct 2007 E11 Ben 10 vs. Negative 10 (1) 09 Mar 2008 E12 Ben 10 vs. Negative 10 (2) 09 Mar 2008 E13 Goodbye and Good Riddance 15 Apr 2008