Along with other popular appearances, she is well remembered as Joey's pregnant sister Dina in season 8 of 'Friends'.

She also appeared in one episode of the ninth season of Friends, in the one with the pediatrician.

In episode 14 of the first season of Friends, Chandler pesters Joey, while the latter tries to urinate.

He also played the director in season 3 of Friends in an episode titled "The One with All the Jealousy".

She also appeared as a guest star in season six of Friends, playing the role of Jill Green, Rachel Green's sister.

"Hard doesn't even begin to describe it," says Ms. Kudrow, of the 2000-1 season of "Friends."

She is also known for playing Rachel's colleague Sophie in the 3rd and 4th seasons of Friends.

On early seasons of Friends, Ross Geller works at the Museum.

Williams, along with Billy Crystal, appeared in a cameo together at the beginning of an episode of the third season of Friends.

In the 2nd season of Friends "The one where Ross finds out" it is used when Monica and Chandler are working out.