4 - 1Perfect Day Jul. 07, 2007
4 - 2Divided We Stand Jul. 14, 2007
4 - 3Don't Drink the Water Jul. 21, 2007
4 - 4Big Fat Alien Wedding Jul. 28, 2007
4 - 5Secret of the Omnitrix (1) Aug. 04, 2007
4 - 6Secret of the Omnitrix (2) Aug. 04, 2007
4 - 7Secret of the Omnitrix (3) Aug. 04, 2007
4 - 8Ben 4 Good Buddy Sep. 22, 2007
4 - 9Ready to Rumble Sep. 29, 2007
4 - 10Ken 10 Oct. 06, 2007
4 - 11Ben 10 vs. Negative 10 (1) Mar. 09, 2008
4 - 12Ben 10 vs. Negative 10 (2) Mar. 09, 2008
4 - 13Goodbye and Good Riddance Apr. 15, 2008