Lockdown (2008) was a professional wrestling pay-per-view (PPV) event produced by the Total Nonstop Action Wrestling (TNA) promotion, which took place on April 13, 2008 at the Tsongas Arena in Lowell, Massachusetts. It was the fourth under the Lockdown chronology and fourth event in the 2008 TNA PPV schedule. Eight professional wrestling matches, two of which for championships, were featured on the card. In the tradition of Lockdown events, every match took place inside a six sided steel structure known as the Six Sides of Steel.
as Kurt Angle
as Samoa Joe
as Sting
as Kevin Nash
as Christian Cage
as Rhino
as Matt Morgan
as AJ Styles
as James Storm
as Brother Ray
as Brother Devon
as Tomko
as Bobby Roode
as Payton Banks
as Booker T
as Sharmell
as Awesome Kong
as Raisha Saeed
as Gail Kim
as ODB
as Alex Shelley
as Chris Sabin
as Homicide
as Hernandez
as Lance Hoyt
as Jimmy Rave
as Kaz
as Eric Young
as Black Reign
as Rellik
as Scott Steiner
as Petey Williams
as Kip James
as BG James
as Rhaka Khan
as Traci Brooks
as Christy Hemme
as Jacqueline
as Salinas
as Roxxi Laveaux
as Angelina Love
as Velvet Sky
as Curry Man
as Sonjay Dutt
as Johnny Devine
as Shark Boy
as Jay Lethal
as Consequences Creed
as SoCal Val (Ringside)
as Hector Guerrero (Ringside)