The second episode included the death of a main character.

Initially, the first several episodes of the series did not include any music.

The episode also includes some of the best space rides.

The episode also included a number of rock songs, which would become a tradition for the series.

In the end, the finished episode did not include the boys or any other regular characters.

Other episodes include major scenes set in the boys' bathroom.

Episode 4 included the first double elimination in series history.

Although the final episode included a "to be continued" message, the show was canceled after its first season.

Almost every episode includes her singing a song that she makes up on the spot.

By the second series, episodes of 999 included more reconstructions.