Litleonids

The Litleonids (Japanese: シシコ  meteor shower) are a meteor shower that occur in the Pokémon world. They were first mentioned in. Assuming that the naming system of the Litleonids is consistent with other meteor showers, the Litleonids would appear to radiate from a point in a constellation named. This is explicitly stated in the Japanese, French, German, Italian, Spanish, and Korean versions.

In the games
The Litleonids are first mentioned by name during a news report at the beginning of the Delta Episode, when Norman gives the undefined a Pair of Tickets to the star show held at the Mossdeep Space Center. They are mentioned again by Zinnia while she is talking to Aster. The player and / later watch the Litleonids at the end of the Delta Episode.

It is unclear how often the Litleonids occur, as dialogue from the player's mother indicates that they last occurred 11 years prior in English, French, German, Italian, and Spanish versions and 12 years prior in the Japanese and Korean versions, corresponding to the release of, while the report states that the meteor shower occurs once every thousand years, like the Millennium Comet from Jirachi: Wish Maker.

The found on Sea Mauville is about Takao Cozmo wanting to go to a star show with his father Raizoh. This is the only other mention of a star show in Pokémon Omega Ruby and Alpha Sapphire in both the English and Japanese versions.

In the anime
In Dream a Little Dream from Me!, and  watched the Litleonid meteor shower near the beginning of the episode.

In the Pokémon Adventures manga
In the, invited  to see the Litleonids after their training had finished. At the end of the chapter, however, they wound up witnessing the meteor shower directly from space.

Trivia

 * The, the annual meteor shower after which the Litleonids take their name, occur during November, the same month during which Pokémon Omega Ruby and Alpha Sapphire were released.
 * The anime episode in which the shower appeared also aired in November.