The Layzner OVA serves as an alternative version of the TV series. The first episode, titled "Eiji 1996", recaps the first part of the series (episodes 01-24). The second episode ("Le Caine 1999") takes place after a time skip, and contains episodes 26 through 37 (episode 25 of the TV series, being a recap itself, is skipped here). The final episode, "Seal 2000", is an expanded version of the final episode of the TV series (38) and features new animation and a longer epilogue.

While Luffy and his crew of Zoro and Nami are starving on their small boat, they are attacked by a large monster. Nami is taken away, while Luffy and Zoro wash up on shore. There they meet a young girl, Medaka, and learn of the sad history of the island. The evil Pirate Ganzack has taken away all the men in the village and enslaved them, including Medaka's father. Now Luffy, Zoro, and Medaka must infiltrate Ganzack's base in order to rescue the villagers and Nami. (Source: ANN)

A seven minute epilogue to the TV series, released as an OVA.

A contest is made by the Fifth Hokage called Jonin vs Genin. The point is to collect crystals for points, with the higher-ranked Chunin and Jonin holding crystals worth more points. The Genin have blue crystals, while the Chunin and Jonin have red crystals. The video shows various fights between the Genin and Jonin, which each instance ending in the Jonin unknowingly losing their crystal (or discarding it). (Source: Wikipedia)