The main event was a King of the Mountain match for the TNA World Heavyweight Championship, in which then-champion Samoa Joe defended against Booker T, Christian Cage, Rhino, and Robert Roode.
Jon Waldman of the professional wrestling section of the Canadian Online Explorer rated the show a 7 out of 10, which was lower than the 8 out of 10 given to the 2007 edition by Jason Clevett.
[7] TNA released a poster to promote the event prior featuring the tagline "In a town where legends are made, one strives to reach immortality" and Booker T, Christian Cage, Rhino, Samoa Joe, and Tomko.
[12] Lethal's groomsmen were announced on the June 5 episode as George Steele, Kamala, Koko B. Ware, and Jake Roberts.
[14] The main event at Slammiversary was a King of the Mountain match for the TNA World Heavyweight Championship, in which then-champion Samoa Joe defended the title against four other competitors.
On the May 15 episode of Impact!, Joe announced the encounter would take place at Slammiversary as well that an agreement had been made between Management Director Jim Cornette and himself on who would compete in the bout.
[12] Kevin Nash, who played Joe's mentor in the storyline, requested to be made the Special Guest Ringside Enforcer for the bout, which he was granted by Cornette on the May 29 episode of Impact!.
[18] On the May 15 episode of Impact!, Team 3D attacked and was scripted to injure LAX's manager Héctor Guerrero, thus starting a rivalry between the two.
[12] TNA held a Six Woman Tag Team match pitting The Beautiful People (Angelina Love and Velvet Sky) and Mickie Knuckles against Gail Kim, ODB, and Roxxi at Slammiversary.
[10] On the June 5 episode of Impact!, Knuckles made her TNA debut aligning with The Beautiful People in assaulting Kim, ODB, and Roxxi.
Mike Tenay and Don West were the commentators for the telecast, Jeremy Borash and David Penzer were ring announcers for the event.
Andrew Thomas, Earl Hebner, Rudy Charles, and Mark "Slick" Johnson participated as referees for the encounters.
Besides those who competed at the event, Abyss, Ace Young, Eric Young, George Steele, Héctor Guerrero, Jake Roberts, Jay Lethal, Johnny Devine, Kamala, Karen Angle, Koko B. Ware, Raisha Saeed, Rhaka Khan, Salinas, Scott Steiner, SoCal Val, Sonjay Dutt, and Tomko all appeared on camera, either in backstage or in ringside segments.
[21] The TNA X Division Championship was defended by then-champion Petey Williams against Kaz in the opening contest of the telecast.
Williams won the encounter after performing his signature Canadian Destroyer maneuver by slamming Kaz head-first into the mat to retain the TNA X Division Championship.
Kong won the bout after slamming Josie back-first into the mat with her signature Awesome Bomb maneuver.
[21] The main event was a King of the Mountain match for the TNA World Heavyweight Championship with Kevin Nash as Special Guest Ringside Enforcer between then-champion Samoa Joe and the challengers Booker T, Christian Cage, Rhino, and Robert Roode.
In a King of the Mountain match, the objective is to climb a ladder and hang the championship belt on a hook above the ring.
Joe was the last to qualify by pinning Roode after slamming him back and neck-first into the mat with his signature Muscle Buster maneuver.
[1][26] Canadian Online Explorer writer Jon Waldman rated the entire event a 7 out of 10,[22] which was lower than the 8 out of 10 given to the 2007 edition by Jason Clevett.
"[23] James Caldwell, also of the Pro Wrestling Torch Newsletter, posted a review of the show in which he felt the main event was a "slow, plodding match" with an "anticlimactic finish."
Overall, Caldwell felt that "TNA showcased the X Division in the opening match," but needed more "athleticism on the show to balance the slow, plodding former WWE heavyweight wrestlers in the main event slots.
During this time, a man named Kevin "Angus" Sinex was removing a light array when the scaffolding he was positioned on collapsed, causing him to slam against the concrete floor below.
On the June 12 episode of Impact!, Booker T claimed that Joe did not beat him at the event due to interference from Kevin Nash.
[38] At the event, Joe beat Booker T till he was bloody, causing several referees and security personnel to try to stop him to no avail.
[42] An online poll was held to determine the stipulation for the match, resulting in Full Metal Mayhem being chosen.
He was unsuccessful in winning the match and gaining the appropriate points to win the tournament, thus causing Team TNA (Kaz, Alex Shelley, Chris Sabin, and Curry Man) to finish in second place, with Team Mexico (Averno, Rey Bucanero, Último Guerrero, and Volador Jr.) being the victors in point rankings.
[44] LAX feuded with James Storm and Robert Roode over the TNA World Tag Team Championship after Slammiversary.
Roode and Storm formed a team known as Beer Money Incorporated and challenged LAX for the title on the June 12 episode of Impact!.
[35] Management Director Jim Cornette scheduled a title defense at Victory Road between LAX and Roode and Storm under "Fan's Revenge" Lumberjack rules on the June 19 episode of Impact!.