Season 1

1. Suddenly 4 People in the Family?!

2000-03-28 · 25m

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.

2. Ruu-kun is Climbing the Chimney

2000-04-04 · 25m

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.

3. Chris Drops By

2000-04-11 · 25m

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.

4. Momoka and the Necklace

2000-04-18 · 25m

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.

5. Miyu's Awful Cuisine

2000-04-25 · 25m

6. Mama Comes Over on Mother's Day

2000-05-16 · 25m

7. Ruu-kun, Popular at School

2000-05-23 · 25m

8. Ruu-kun's Acting Debut

2000-05-30 · 25m

9. A Date in the Park Between Cousins

2000-06-06 · 25m

10. Playing with Spaced-Out Santa

2000-06-13 · 25m

11. June, on Father's Day ... Papa Comes

2000-06-20 · 25m

12. The Mysterious Boy, Yaboshi Seiya

2000-06-27 · 25m

13. The Mysterious Planet Sharaku

2000-07-11 · 25m

14. Help! Transforming Wanya

2000-07-18 · 25m

15. Mikan Ran Away, Saionji!

2000-07-25 · 25m

16. Ocean and the Lovers' Tree

2000-09-05 · 25m

17. India's treasure is SAIONJI?

2000-09-12 · 25m

18. Momoka's Passport

2000-09-19 · 25m

19. The Mysterious Home is Miyu's Real House?

2000-09-26 · 25m

20. The Off-season Home Visit

2000-10-03 · 25m

21. Principal, Monkichi Reunite

2000-10-10 · 25m

22. The Hike of Fear

2000-10-17 · 25m

23. Everyone, Gather at Saionji's

2000-10-24 · 25m

24. The Blackout Halloween

2000-10-31 · 25m

25. Ruu-kun and the Department Store

2000-11-07 · 25m

26. Yaboshi Saiya's Warning

2000-11-14 · 25m

27. A Correspondence with Ruu's Parents

2000-11-21 · 25m

28. Sister Comes to Saionji

2000-11-28 · 25m

29. Nanami and the Mysterious Tsukemonoishi

2000-12-12 · 25m

30. Wanya Wanya

2000-12-19 · 25m

31. The First Christmas with Saionji

2001-01-09 · 25m

32. Chris, Ski, Mansion

2001-01-16 · 25m

33. Kanata's Childhood Friend

2001-01-23 · 25m

34. Kanata's Promised Date

2001-01-30 · 25m

35. Bye Bye Wanya

2001-02-06 · 25m

36. The Heiomachi Onsen Excursion

2001-02-13 · 25m

37. Miyu's Idol Debut

2001-02-20 · 25m

38. Ruu-kun Has Multiplied

2001-02-27 · 25m

39. All 100 Ruu-kuns, Gather!

2001-03-06 · 25m

40. Kanata's Rival Appears?

2001-04-10 · 25m

41. Kanata and Nozomu's Showdown

2001-04-17 · 25m

42. Where is Okame-chan?

2001-04-24 · 25m

43. The Family Assembles at Saionji

2001-05-01 · 25m

44. Koinobori Aren't Scary!

2001-05-08 · 25m

45. Cinderella Inside the Book

2001-05-22 · 25m

46. Chris and the White Whale

2001-05-29 · 25m

47. Miyu and Mini-Miyu Go to School

2001-06-05 · 25m

48. Santa and Kanata's Weird Pot

2001-06-12 · 25m

49. Mizuno-sensei's Mysterious Trip

2001-06-19 · 25m

50. Stop it, Lazy Wanya

2001-06-26 · 25m

51. Mika-san's Mysterious Promise

2001-07-03 · 25m

52. Saionji's Ghost stories and the Mysterious Koishi Stones

2001-07-17 · 25m

53. Miyu and Kanata Go to America

2001-07-24 · 25m

54. Everyone but Santa goes to America

2001-07-31 · 25m

55. The Weird Object That Seiya Left Behind

2001-09-04 · 25m

56. Mecha Wanya Attacks!

2001-09-11 · 25m

57. Nozomu and His World of Dream

2001-09-18 · 25m

58. Our Pet is Number One

2001-09-25 · 25m

59. Peppo, Ruu, and Wanya

2001-10-02 · 25m

60. Mikan's Work Place is the Saionji

2001-10-09 · 25m

61. Miyu and Kanata's First Kiss

2001-10-16 · 25m

62. Nagging at the Saionji Temple

2001-10-23 · 25m

63. Spooky Mountain Villa

2001-10-30 · 25m

64. Meeting a Penpal

2001-11-06 · 25m

65. Inventions are so Boring

2001-11-13 · 25m

66. A Friend, a Rival, a Competitor

2001-11-27 · 25m

67. Teru Arrives From Planet

2001-12-04 · 25m

68. Bowmeow Versus Mister

2001-12-11 · 25m

69. Ousted Guava Falls in Love

2001-12-18 · 25m

70. Momoka’s Christmas

2001-12-25 · 25m

71. The Seven Gods of Fortune

2002-01-08 · 25m

72. The Same Kimono as Miyu

2002-01-15 · 25m

73. Miyu and Little Boy Kanata

2002-01-22 · 25m

74. Goodbye Evil Gang

2002-01-29 · 25m

75. Valentine’s Day in Heiomachi

2002-02-05 · 25m

76. Ruu in the Lead Role at the Cultural Festival

2002-02-12 · 25m

77. On the Night of the Full Moon

2002-02-19 · 25m

78. See You Again

2002-02-26 · 25m