After having an accident one day, Mee wondered, "Maybe I don't need underpants?" Through interviews with passersby and a wild imagination, Mee searches for reasons to wear underpants.
Papa is the only family member who lives with Mee. Through meeting all kinds of families: a large one, a family with two moms, a family with a dog, etc., Mee discovers the unique charm of each one.
Mee wets the bed even after making sure to go to the bathroom and not drink any water before bed. Through a "Bedwetting Counselor," Mee learns that physical growth varies from person to person...
After mastering writing autographs, Mee heads to the park, only to find a huge white statue! Feeling a strong urge to sign it and seeing no one else around, Mee gives in to temptation...
Seeing the baby laugh when tickled, Mee thinks everyone likes tickles and happily tickles every child in sight. But Mee's friend Hee suddenly gets angry and says, "Stop it! Don't tickle me!"
Ozzy, a grown man, loves pink and uses lots of pink things. Mee feels puzzled about it, and a strange being named "Puzzlin" appears! Every time Mee meets Ozzy, the number of Puzzlins increases...
Today is Mee's birthday. Everyone offers birthday wishes, but Mee wonders, "Why do we say 'Happy Birthday'?" So Papa decides to take Mee on a drive to retrace "The Story of Mee's Birth."
Mee's Papa cooks and jogs every day. Mee thought he was an ordinary Papa, but Hee says he is strange. So, Mee forms an expedition team and heads out into town to find out what makes a Papa "ordinary."
Among Mee's friends, there's a popular game where you sneak up and squeeze your friends' butts. When someone does it to Mee, Mee shivers and feels weird. Papa says, "That's your Inner Alarm's alert."
When Mee and Hee run around, a sound like "thump, thump..." is heard from inside their bodies. Mee wonders, "Is there a creature inside me?" and has a "Thump-Thump Investigator" reveal what it is.
When Mee shows centipedes as Mee's treasure, everyone gets grossed out and runs away. Thinking it would be nice if other people liked them too, Mee investigates 'A World Only for Centipede Lovers.'
One day, Mee's favorite pet centipede Gage suddenly dies. Feeling so sad, Mee can't enjoy playing or eating. So, Papa takes Mee to the backyard to show Mee something...
Mee's frustration with Papa's mistake explodes! Hearing that looking at a beetle's underside helps Buggy calm down as if flipping a switch, Mee decides to explore if everyone has a "switch" like that.
While playing with friends, Mee spots Kura, Don's classmate, and invites her to play together. But Kura says no and keeps typing away on her computer. "She's weird," Mee thinks — but later on...