Episode 1
Suddenly 4 People in the Family?!
Mar 28, 2000
Miyu Kōzuki's parents had moved to the United States to work for NASA. Miyu has been told she is to live with her parents' old friend. She arrives, and it turns out to be a Buddhist temple. She meets her parents' friend, the temple monk, Hoshou Saionji, and his teenaged son, Kanata. The monk soon leaves for India for religious training, leaving Miyu behind with Kanata. Shortly after, a UFO flies into the house, and inside were an alien baby called Ruu and a "sitter-pet" called Wanya. They all then decide to live in the temple together. Kanata peeps at Miyu while she's showering, just as Miyu has seen him changing.
Episode 2
Ruu-kun is Climbing the Chimney
Apr 4, 2000
It was Miyu's first day at her new school. She finds out that Kanata has a fan club, and he is the class president. Miyu meets Christine Hanakomachi, a half-French girl who fancies Kanata. During class, Miyu spots Ruu flying outside. Kanata and Miyu chase after Ruu. Ruu ends up climbing a chimney, forcing Kanata and Miyu to climb it too.
Episode 3
Chris Drops By
Apr 11, 2000
Chris and her friends came by Kanata's house to have a welcome party for Miyu. But their home turned out to be a disaster. They needed to take down floating items and hide Ruu and Wanya from their guests. Chris misunderstands Miyu and Kanata's relationship, after they discover Ruu.
Episode 4
Momoka and the Necklace
Apr 18, 2000
Kanata and Miyu both go out with their friends. Before Miyu leaves, she notices that her necklace is missing. A crow has taken it. But 3 year-old Momoka chases the crow away and retrieves the necklace. While shopping for dinner, Wanya loses Ruu. Ruu finds Momoka with the necklace. They both are together, when finally Kanata and Miyu find Momoka and Ruu. Momoka starts referring to Ruu as her boyfriend.
Episode 5
Miyu's Awful Cuisine
Apr 25, 2000
Episode 6
Mama Comes Over on Mother's Day
May 16, 2000
Episode 7
Ruu-kun, Popular at School
May 23, 2000
Episode 8
Ruu-kun's Acting Debut
May 30, 2000
Episode 9
A Date in the Park Between Cousins
Jun 6, 2000
Episode 10
Playing with Spaced-Out Santa
Jun 13, 2000
Episode 11
June, on Father's Day ... Papa Comes
Jun 20, 2000
Episode 12
The Mysterious Boy, Yaboshi Seiya
Jun 27, 2000
Episode 13
The Mysterious Planet Sharaku
Jul 11, 2000
Episode 14
Help! Transforming Wanya
Jul 18, 2000
Episode 15
Mikan Ran Away, Saionji!
Jul 25, 2000
Episode 16
Ocean and the Lovers' Tree
Sep 5, 2000
Episode 17
India's treasure is SAIONJI?
Sep 12, 2000
Episode 18
Momoka's Passport
Sep 19, 2000
Episode 19
The Mysterious Home is Miyu's Real House?
Sep 26, 2000
Episode 20
The Off-season Home Visit
Oct 3, 2000
Episode 21
Principal, Monkichi Reunite
Oct 10, 2000
Episode 22
The Hike of Fear
Oct 17, 2000
Episode 23
Everyone, Gather at Saionji's
Oct 24, 2000
Episode 24
The Blackout Halloween
Oct 31, 2000
Episode 25
Ruu-kun and the Department Store
Nov 7, 2000
Episode 26
Yaboshi Saiya's Warning
Nov 14, 2000
Episode 27
A Correspondence with Ruu's Parents
Nov 21, 2000
Episode 28
Sister Comes to Saionji
Nov 28, 2000
Episode 29
Nanami and the Mysterious Tsukemonoishi
Dec 12, 2000
Episode 30
Wanya Wanya
Dec 19, 2000
Episode 31
The First Christmas with Saionji
Jan 9, 2001
Episode 32
Chris, Ski, Mansion
Jan 16, 2001
Episode 33
Kanata's Childhood Friend
Jan 23, 2001
Episode 34
Kanata's Promised Date
Jan 30, 2001
Episode 35
Bye Bye Wanya
Feb 6, 2001
Episode 36
The Heiomachi Onsen Excursion
Feb 13, 2001
Episode 37
Miyu's Idol Debut
Feb 20, 2001
Episode 38
Ruu-kun Has Multiplied
Feb 27, 2001
Episode 39
All 100 Ruu-kuns, Gather!
Mar 6, 2001
Episode 40
Kanata's Rival Appears?
Apr 10, 2001
Episode 41
Kanata and Nozomu's Showdown
Apr 17, 2001
Episode 42
Where is Okame-chan?
Apr 24, 2001
Episode 43
The Family Assembles at Saionji
May 1, 2001
Episode 44
Koinobori Aren't Scary!
May 8, 2001
Episode 45
Cinderella Inside the Book
May 22, 2001
Episode 46
Chris and the White Whale
May 29, 2001
Episode 47
Miyu and Mini-Miyu Go to School
Jun 5, 2001
Episode 48
Santa and Kanata's Weird Pot
Jun 12, 2001
Episode 49
Mizuno-sensei's Mysterious Trip
Jun 19, 2001
Episode 50
Stop it, Lazy Wanya
Jun 26, 2001
Episode 51
Mika-san's Mysterious Promise
Jul 3, 2001
Episode 52
Saionji's Ghost stories and the Mysterious Koishi Stones
Jul 17, 2001
Episode 53
Miyu and Kanata Go to America
Jul 24, 2001
Episode 54
Everyone but Santa goes to America
Jul 31, 2001
Episode 55
The Weird Object That Seiya Left Behind
Sep 4, 2001
Episode 56
Mecha Wanya Attacks!
Sep 11, 2001
Episode 57
Nozomu and His World of Dream
Sep 18, 2001
Episode 58
Our Pet is Number One
Sep 25, 2001
Episode 59
Peppo, Ruu, and Wanya
Oct 2, 2001
Episode 60
Mikan's Work Place is the Saionji
Oct 9, 2001
Episode 61
Miyu and Kanata's First Kiss
Oct 16, 2001
Episode 62
Nagging at the Saionji Temple
Oct 23, 2001
Episode 63
Spooky Mountain Villa
Oct 30, 2001
Episode 64
Meeting a Penpal
Nov 6, 2001
Episode 65
Inventions are so Boring
Nov 13, 2001
Episode 66
A Friend, a Rival, a Competitor
Nov 27, 2001
Episode 67
Teru Arrives From Planet
Dec 4, 2001
Episode 68
Bowmeow Versus Mister
Dec 11, 2001
Episode 69
Ousted Guava Falls in Love
Dec 18, 2001
Episode 70
Momoka’s Christmas
Dec 25, 2001
Episode 71
The Seven Gods of Fortune
Jan 8, 2002
Episode 72
The Same Kimono as Miyu
Jan 15, 2002
Episode 73
Miyu and Little Boy Kanata
Jan 22, 2002
Episode 74
Goodbye Evil Gang
Jan 29, 2002
Episode 75
Valentine’s Day in Heiomachi
Feb 5, 2002
Episode 76
Ruu in the Lead Role at the Cultural Festival
Feb 12, 2002
Episode 77
On the Night of the Full Moon
Feb 19, 2002
Episode 78
See You Again
Feb 26, 2002
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