Because it became something bigger than what they intended and now it's an obsession among the fans.
Because it became something bigger than what they intended and now it's an obsession among the fans.
Probably never since they only intended it to be a plot device and said that if they could take it out they would. But they did reference it this season.
The baby in the trilogy episode is penny aka ted's firstborn. The one in 2017 is luke aka ted's second child.