TNA iMPACT! Season 5 (2008) Episode 23 June 5, 2008 ( Air Date 2008-06-05 ) Genre Action & Adventure, Drama, Mystery category. Overview "For the first time ever in "iMPACT!" history, there will be a special X Division "King Of The Mountain" match with the winner receiving a shot at the TNA World Heavyweight Championship on the next "iMPACT!" after Slammiversary!".