When Lorelai and Rory tell Richard and Emily about their plans to backpack through Europe, Richard and Emily mock them as if this is the first they're hearing of it and Richard even goes so far as to forbid it because "it's not safe." However Rory told Richard about the idea in a previous episode and he thought it was a great idea and encouraged her to make sure it happens, and Lorelai had discussed the trip with Emily at one point as well when Richard's mother was visiting.
Chelsea Brummet wore blue contact lenses for this role as her eyes are not naturally blue. When Young Lorelai and Young Christopher are on the landing eavesdropping on their parents' argument, her eyes are violet.
When they show the first close up of Baby Georgia, her birth card shows the birth date of 1-31-03 and Georgia's weight states 6lbs, 20 oz... this would mean the baby actually weighs 7lbs, 4 oz.
At the hospital, Rory says she is busy xeroxing documents because Sherry has promised to fax them to clients and she "didn't bring enough". However, when you fax something you retain the original document, so even if she's faxing to several clients, she would only need one set of documents. No xeroxing would be necessary.
When Lorelai stops at Luke's to get coffee before Friday night dinner, The cash register is missing from the counter.
When Lorelai arrives at the hospital, Sherry is squatting in bed because she was told it makes the baby come out faster, then in the hall Lorelai tells Rory that Sherry is jogging in place. A little while previously Sherry had said they had to wait until Christopher gets there and he still isn't there. Sherry wouldn't be trying to make the baby come out sooner while she wants to wait for Christopher to arrive.