The One Where Joey Speaks French - S10-E13
Corrected entry: They take the mother of their adopted baby around NYC to see the sights. One of these is the Statue of Liberty, which has been closed to the public since 9/11.
The One Where Joey Speaks French - S10-E13
Corrected entry: In 3-7 Phoebe mentions that she can't say "croissants" and then does so perfectly. In this episode she is fluent. She had mentioned in yet another episode that she learned it while living on the streets and met friends behind a dumpster to learn it, so it's not she learned between episodes.
Correction: The whole joke is that she can say it but thought she couldn't. She doesn't say it in the context of not being able to speak French.
Correction: This is false. The actual Statue of Liberty remains closed until further notice. However the grounds of Liberty Island, where Lady Liberty is located, is still open to the public, which is accessible by Ferry.