After only two title matches Gail lost the belt to Molly Holly and would never again be much of a factor regarding the Women's Title Belt. On 11/05/04 the WWE announced that they were dropping Gail from their roster. After several months in limbo, TNA Wresting made a press release on 09/06/05 stating that Gail Kim would be joining their organization.
On the October 8, 2005 edition of TNA iMPACT!, Kim made her debut, aligning herself with Jeff Jarrett and America's Most Wanted by attacking Team 3D. Shortly thereafter, she helped AMW regain the NWA World Tag Team Championship from The Naturals. On November 26, Kim was attacked by the debuting Jackie Gayda. She spent the remainder of the year and early 2006 filming her part in the film "Royal Kill" before returning to TNA and rekindling her feud with Gayda.
Between February and April 2006 Kim was the guardian of Jackie Gayda, who had been blackmailed into joining the Planet Jarrett stable. The two women frequently fought one another during matches featuring members of Planet Jarrett as Gayda attempted to cost them the match. Gayda was "fired" by Kim at TNA Sacrifice 2006 on May 14, 2006 after announcing that she was pregnant.
On May 15, 2006 in Orlando, Florida, Kim wrestled Traci in a dark match to be featured on the TNA Knockouts DVD. The match was the first women's match in TNA in over a year, and Kim's first match on American soil since her WWE release. Since then, Kim was attacked at TNA Slammiversary 2006 by Sirelda (then unknown). The weeks after this, the two traded blows, until TNA Victory Road 2006, where Sirelda's team defeated Kim's. At TNA Hard Justice 2006, they faced off against each other in a one-on-one match, where Kim would defeat her.
On the October 19, 2006 iMPACT!, Kim was (kayfabe) injured in the ring by Hernandez when he gave her a Bordertoss following a loss in an eight man tag match where Latin American Exchange (Hernandez and Homicide) were teaming with America's Most Wanted. At TNA Genesis 2006, America's Most Wanted lost to LAX after James Storm was hit with a blowtorch can. After the match Homicide tried to use Da Gringo Killa on her, but she was saved by Petey Willams who came out to give LAX a beating with a lead pipe.