It's George's 327th birthday, Arnie asks George if he told Janet about what happens to Ultronians after their 327th birthday. Janet soon finds out, George starts to age ! It seems his body is worn out & he needs a new one. George selects 3 replacements (handsome, young,masculine) but Janet doesn't want these, She wants the body she fell in love with & married. George continues to age & Janet's parents visit. She tells them he's George's Grandfather & when they leave George & Janet kiss but Janet's Mum returns & catches them kissing.! Janet tells them she's left George & taken up with his Grandfather. When George is so old he can hardly walk he decides to try the time tunnel of youth that Ultronian woman sometimes use. However he goes to far & ends up as a baby.! Janet takes him to the bathroom & he goes to find the body in the reject room & surprises Janet with an old model body of his usual self. (thetvdb.com)