(Ross is showing the group video from ultrasound…)

Ross Geller: Well, isn’t that amazing?

Joey Tribbiani: What are we supposed to be seeing here?

Chandler Bing: I don’t know, but I think it’s about to attack the Enterprise.

Phoebe Buffay: You know, if you tilt your head to the left and relax your eyes… it kind of looks like an old potato.

Ross Geller: Then don’t do that, all right?

From Friends – Season 1 Episode 2: ‘The One with the Sonogram at the End’ (1×02)