Rachel and Monica reminisce about their first time meeting Chandler at Thanksgiving.

Joey shows his unhealthy eating habits in these clips. He will eat whatever is in front of him, no matter the combination of food or how old it is.

Jeremy consults with his doctor. She encourages him to increase his dosage. It seems that the reason for this is for scientific findings, rather than Jeremy's well-being.

After taking estrogen, Howard asks Raj if his body is changing.They figure it out with some unusual methods.

This clip explains how air intake while exercising pumps oxygen into the muscles which combines with ATP to create muscle contractions.