These are the episodes I have covered with trivia on this site:

1.8 – The One Where Nana Dies Twice

3.72 – The One With the Ultimate Fighting Champion

4.82 – The One Where They’re Going to Party
4.83 – The One With the Girl from Poughkeepsie
4.85 – The One With the Embryos
4.88 – The One With All the Rugby
4.93 – The One With All the Wedding Dresses

5.100 – The One Hundreth
5.101 – The One Where Phoebe Hates PBS
5.102 – The One With the Kips

7.154 – The One Where Chandler Hates Dogs