
The autonomous robot staff of the Gingarou Hotel, led by concierge Yachiyo, as they maintain the deserted hotel in a post-human Earth. After humans evacuate due to a toxic environmental contagion, the robots wait for their return, until alien guests, starting with an extraterrestrial visitor and then a family of tanuki aliens, begin to arrive. The season explores their adaptation to serving alien clients, the humorous and sometimes melancholic challenges of their duties in a world without humans, and the evolving relationships between the robot staff and their new, non-human guests.

Yachiyo and her staff are ready to welcome you to the Gingarou Hotel... except there's nobody left on Earth.

The Gingarou Hotel gets its first guest in over a century, but he's not human! Do aliens even count as guests?

A group of humans return to Earth... but not all is as it seems.

Yachiyo and Ponko head out in search of new ingredients.

A new pair of aliens arrive at the hotel, but the shortage of alcohol will be a problem.

The end times have come to Earth... and it seems they will be staying at the Gingarou Hotel?

The gang decides to launch a satellite for promotion, but Ponko has other ideas.

What happens after Yachiyo gets stranded in space?

After reconciling with Yachiyo, Ponko has some news to share.

The Gingarou receives an unnerving guest who requests total secrecy about his visit...

Labor standards say Yachiyo has been overworked, and Ponko demands that she take time off.

Gingarou and Earth receive a visit from an old, old friend.