A list of events in 2005 related to The Hardy Boys.
- The Ocean of Osyria, Volume 3, is released. In May 2005, Volumes 1-3 of The Ocean of Osyria would be collected into one omnibus edition, available in both paperback and hardcover editions.
- The Hardy Boys Graphic Novel: Comic Book Series is discontinued after 3 volumes. The Hardy Boys Graphic Novel series would continue with the publication of further volumes, starting in July 2005 after the 3 comic books were collected into Volume 1 of the series.
- 25 - The Hardy Boys #189 One False Step released.
- 22 First Season of the 1977 The Hardy Boys Nancy Drew Mysteries series is released on DVD.
- 5 - The longest running series in Hardy history, The Hardy Boys, was discontinued after 78 years and #190 volumes, with the publication of #190 Motorcross Madness
- 21 - Grosset & Dunlap republished volumes 59 to 66 of The Hardy Boys series, in hardcover format.
- A new Hardy Boys series was launched with the publication of The Hardy Boys Undercover Brothers #1 Extreme Danger, #2 Running on Fumes, #3 Boardwalk Bust, and #4 Thrill Ride. The first four books hit bookstore shelves in Canada and the United States in mid-April even though the publication dates on the copyright pages of the books list a June 2005 publication date.
- Release of The Ocean of Osyria in trade paperback and hardcover format. This book collects the the 3-comic book series that ran from November 2004-January 2005.
- Second Graphic novel, Identity Theft is released.
- The fifth book in the new Hardy Boys Undercover Brothers, Rocky Road was released.
- The Hardy Boys Undercover Brothers #6 Burned released.
- The Hardy Boys Undercover Brothers #7 Operation: Survival released.
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