Season 1

01 Suddenly 4 People in the Family?! Episode 128th March 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. 02 Ruu-kun is Climbing the Chimney Episode 24th April 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. 03 Chris Drops By Episode 311th April 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. 04 Momoka and the Necklace Episode 418th April 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. 05 Miyu's Awful Cuisine Episode 525th April 2000 06 Mama Comes Over on Mother's Day Episode 616th May 2000 07 Ruu-kun, Popular at School Episode 723rd May 2000 08 Ruu-kun's Acting Debut Episode 830th May 2000 09 A Date in the Park Between Cousins Episode 96th June 2000 10 Playing with Spaced-Out Santa Episode 1013th June 2000 11 June, on Father's Day ... Papa Comes Episode 1120th June 2000 12 The Mysterious Boy, Yaboshi Seiya Episode 1227th June 2000 13 The Mysterious Planet Sharaku Episode 1311th July 2000 14 Help! Transforming Wanya Episode 1418th July 2000 15 Mikan Ran Away, Saionji! Episode 1525th July 2000 16 Ocean and the Lovers' Tree Episode 165th September 2000 17 India's treasure is SAIONJI? Episode 1712th September 2000 18 Momoka's Passport Episode 1819th September 2000 19 The Mysterious Home is Miyu's Real House? Episode 1926th September 2000 20 The Off-season Home Visit Episode 203rd October 2000 21 Principal, Monkichi Reunite Episode 2110th October 2000 22 The Hike of Fear Episode 2217th October 2000 23 Everyone, Gather at Saionji's Episode 2324th October 2000 24 The Blackout Halloween Episode 2431st October 2000 25 Ruu-kun and the Department Store Episode 257th November 2000 26 Yaboshi Saiya's Warning Episode 2614th November 2000 27 A Correspondence with Ruu's Parents Episode 2721st November 2000 28 Sister Comes to Saionji Episode 2828th November 2000 29 Nanami and the Mysterious Tsukemonoishi Episode 2912th December 2000 30 Wanya Wanya Episode 3019th December 2000 31 The First Christmas with Saionji Episode 319th January 2001 32 Chris, Ski, Mansion Episode 3216th January 2001 33 Kanata's Childhood Friend Episode 3323rd January 2001 34 Kanata's Promised Date Episode 3430th January 2001 35 Bye Bye Wanya Episode 356th February 2001 36 The Heiomachi Onsen Excursion Episode 3613th February 2001 37 Miyu's Idol Debut Episode 3720th February 2001 38 Ruu-kun Has Multiplied Episode 3827th February 2001 39 All 100 Ruu-kuns, Gather! Episode 396th March 2001 40 Kanata's Rival Appears? Episode 4010th April 2001 41 Kanata and Nozomu's Showdown Episode 4117th April 2001 42 Where is Okame-chan? Episode 4224th April 2001 43 The Family Assembles at Saionji Episode 431st May 2001 44 Koinobori Aren't Scary! Episode 448th May 2001 45 Cinderella Inside the Book Episode 4522nd May 2001 46 Chris and the White Whale Episode 4629th May 2001 47 Miyu and Mini-Miyu Go to School Episode 475th June 2001 48 Santa and Kanata's Weird Pot Episode 4812th June 2001 49 Mizuno-sensei's Mysterious Trip Episode 4919th June 2001 50 Stop it, Lazy Wanya Episode 5026th June 2001 51 Mika-san's Mysterious Promise Episode 513rd July 2001 52 Saionji's Ghost stories and the Mysterious Koishi Stones Episode 5217th July 2001 53 Miyu and Kanata Go to America Episode 5324th July 2001 54 Everyone but Santa goes to America Episode 5431st July 2001 55 The Weird Object That Seiya Left Behind Episode 554th September 2001 56 Mecha Wanya Attacks! Episode 5611th September 2001 57 Nozomu and His World of Dream Episode 5718th September 2001 58 Our Pet is Number One Episode 5825th September 2001 59 Peppo, Ruu, and Wanya Episode 592nd October 2001 60 Mikan's Work Place is the Saionji Episode 609th October 2001 61 Miyu and Kanata's First Kiss Episode 6116th October 2001 62 Nagging at the Saionji Temple Episode 6223rd October 2001 63 Spooky Mountain Villa Episode 6330th October 2001 64 Meeting a Penpal Episode 646th November 2001 65 Inventions are so Boring Episode 6513th November 2001 66 A Friend, a Rival, a Competitor Episode 6627th November 2001 67 Teru Arrives From Planet Episode 674th December 2001 68 Bowmeow Versus Mister Episode 6811th December 2001 69 Ousted Guava Falls in Love Episode 6918th December 2001 70 Momoka’s Christmas Episode 7025th December 2001 71 The Seven Gods of Fortune Episode 718th January 2002 72 The Same Kimono as Miyu Episode 7215th January 2002 73 Miyu and Little Boy Kanata Episode 7322nd January 2002 74 Goodbye Evil Gang Episode 7429th January 2002 75 Valentine’s Day in Heiomachi Episode 755th February 2002 76 Ruu in the Lead Role at the Cultural Festival Episode 7612th February 2002 77 On the Night of the Full Moon Episode 7719th February 2002 78 See You Again Episode 7826th February 2002