S4 E1: Perfect Day

S4 E2: Divided We Stand

S4 E3: Don't Drink the Water

S4 E4: Big Fat Alien Wedding

S4 E5: Secret of the Omnitrix (1)

S4 E6: Secret of the Omnitrix (2)

S4 E7: Secret of the Omnitrix (3)

S4 E8: Ben 4 Good Buddy

S4 E9: Ready to Rumble

S4 E10: Ken 10

S4 E11: Ben 10 vs. Negative 10 (1)

S4 E12: Ben 10 vs. Negative 10 (2)

S4 E13: Goodbye and Good Riddance