As we close out 2022, Jane and Melody look back at some of their favorite episodes of 2002. Why do we have friends? Why are some people left-handed? Why do pigs oink? And why is Russia invading Ukraine? Did you have a favorite episode? Let us know! Kids can record a video talking about a favorite episode and then tag us on social media or send an email to [email protected]. Episode Transcript Full episodes Why do we have friends? Why are some people left-handed? Why do pigs oink? Why is Russia invading Ukraine?