The first series is a set of 25 stories about a male businessman arriving at the hotel after taking a train home from work. He encounters the mysterious owner of the hotel, an old mouse known as Gregory, who suggests that he stay a while. Soon, the man becomes drawn into a bizarre series of events taking place within Gregory House as he tries desperately to escape from this bizarre purgatory.

Episode 1
Night 1: Gregory
Oct 1, 1999
The First Guest arrives, and Gregory prepares his room. What was that scream...?

Episode 2
Night 2: Judgement Boy
Oct 8, 1999
Gregory shows the Guest to his room. There's a bloodstain on the floor, and he's not allowed to open the window or wardrobe... What could be inside?

Episode 3
Night 3: Neko Zombie
Oct 15, 1999
Room 203's door looks like a metal and highly secure safe. What are those meowrs and hisses coming from inside?

Episode 4
Night 4: Lost Doll
Oct 22, 1999
"Go ahead... give the poor thing a hug... I'm certain it will make her feel better..."

Episode 5
Night 5: Hell's Chef
Oct 29, 1999
The soup looks suspicious, but the consequences for not eating could be more hazardous to the Guest's health.

Episode 6
Night 6: Catherine
Nov 5, 1999
The Guest may have barely survived the soup, but when Catherine is the nurse, the disease may be better than the cure.

Episode 7
Night 7: Mummy Dog & Mummy Papa
Nov 12, 1999
As the Guest lies in his bed, trying to recover in spite of the nurse, he is visited by two people who are both worse off and better off at the same time.

Episode 8
Night 8: Judgement Boy
Nov 19, 1999
The guest may have recovered physically, but the mental assult continues with a dangerous (if hypothetical) choice.

Episode 9
Night 9: Cactus Gunman
Nov 26, 1999
Cactus Gunman can be very rude; first he kicks the door to the Guest's room to pieces, then he challenges him to a duel.

Episode 10
Night 10: TV Fish
Dec 3, 1999
There's a floating fish skeleton with a TV for a head. That's weird enough on its own. But what's that on the screen...? A familiar voice...

Episode 11
Night 11: Public Phone
Dec 10, 1999
Maybe the Guest can save himself if he can get in touch with his family. His cell phone is eaten by Neko Zombie, though, so he'll have to find an alternative method.

Episode 12
Night 12: Judgement Boy
Dec 17, 1999
It's time for another round of the Judgement Game. However, even Gregory's not immune to the horrors of his own hotel...

Episode 13
Night 13: Clock Master & My Son
Dec 24, 1999
There's a warp in the Guest's time! It's too late to fix it, but Clock Master can take him back to before it warped. Is this the way out?

Episode 14
Night 14: Toilet Baby & Frog Fortune-Teller
Dec 31, 1999
The second half of the Guest's stay at Gregory House starts with... water. A lot of water.

Episode 15
Night 15: Roulette Boy
Jan 7, 2000
Trapped in a large room, Gregory and Guest have to play Roulette Boy's deadly board game. This game would be in the inspiration for Hell's Roulette in Soul Collector.

Episode 16
Night 16: Black Duck
Jan 14, 2000
The Guest and Gregory ride the most thrilling roller coaster in the world... and the most dangerous!

Episode 17
Night 17: Mirror Man
Jan 21, 2000
The Guest gazes into the Mirror of Truth, but he's not gonna like what he sees.

Episode 18
Night 18: Kinko & Inko
Jan 28, 2000
The Guest has lost his heart. Could the dream of Kinko the safe be of any help?

Episode 19
Night 19: Gregory Mama
Feb 4, 2000
Gregory is berated by his witch of a mother. Meanwhile, the Guest has another round of the Judgement game.

Episode 20
Night 20: Angel Dog
Feb 11, 2000
The guest runs through the catacombs below Gregory House. Is there a way out?

Episode 21
Night 21: Dead Body
Feb 18, 2000
When trying to hide from Gregory in the graveyard, the Guest encounters another hideaway... one who's certainly seen better days.

Episode 22
Night 22: Angel Dog & Devil Dog
Feb 25, 2000
The memories of the Guest's life back home are fading fast. Can Neko Zombie actually be the one to save him? Where does Angel Dog's door lead?

Episode 23
Night 23: Judgement Boy & Judgement Boy Gold
Mar 3, 2000
As the Guest's escape back to reality begins, the king of the Judgement Boys arrives to proclaim the ultimate judgement.

Episode 24
Night 24: Death
Mar 10, 2000
Escaping back to reality is a most difficult thing when you're being persued by Gregory's spirit. The Guest could use a little more help...

Episode 25
Night 25: Haniwa Salaryman
Mar 17, 2000
Now that the Guest has finally returned home, he finds out whether or not it was all worth it.