<Tr> <Td_colspan="7"> In flashbacks, Max tells the astounding story to Kevin, Gwen, and Ben of how he had met and fallen head - over-heels for Verdona when he was but seventeen years old in the 1960s . </Td> </Tr> <Tr> <Th> 32 </Th> <Td> 12 </Td> <Td> "Prisoner Number 775 Is Missing" </Td> <Td> Dan Riba </Td> <Td> Peter David </Td> <Td> April 29, 2011 (2011 - 04 - 29) </Td> <Td> 212 </Td> </Tr> <Tr> <Td_colspan="7"> <P> The secrets of Area 51 are revealed to Ben Tennyson by Colonel Rozum after Old George infiltrates and destroys it, setting free the 775th prisoner . </P> Ultimatrix alien debuts: Ultimate Wildmutt, ChamAlien </Td> </Tr> <P> The secrets of Area 51 are revealed to Ben Tennyson by Colonel Rozum after Old George infiltrates and destroys it, setting free the 775th prisoner . </P>

Ben 10 ultimate alien season 3 episode 18 the beginning of the end