Hunter x Hunter has two primary anime adaptations, each with a different episode count. The series is based on the manga by Yoshihiro Togashi, which began in 1998 and remains on hiatus.

| OVA Series | Episodes | Release Year | Arc Covered | | :--- | :--- | :--- | :--- | | | 8 | 2002 | Greed Island (first half) | | OVA 2: Greed Island Final | 8 | 2003 | Greed Island (second half / completion) | | OVA 3: G.I. Final (also known as Greed Island Final continued) | 14 | 2004 | Chimera Ant arc (beginning) |