After a series of dates and relationships with a number of men, Phoebe meets Mike Hannigan in season nine, whom she eventually marries in season ten.
He is last seen looking bemused but amused when Joey enters the room wearing Phoebe's maternity pants under the deluded belief that he would need to change into a new pair of pants to achieve his goal of eating an entire turkey all by himself.
Zach's absence within the show was not mentioned, nor was the character at all.
Treeger, was Ugly Naked Guy.
It is revealed that Monica and Chandler did not know they would be having twins until they were born.