Adelaide will face the Power under lights in a blockbuster Saturday night clash in Round Eight.
On Thursday, the AFL released details for Rounds Seven and Eight with Showdown 49 set for a 7.10pm ACST start on May 8.
The Port Adelaide home game will give the winner the overall Showdown lead - both Clubs are level on 24 each.
In Round Seven, Adelaide will host Greater Western Sydney on Saturday, May 1.
The game will start at 1.40pm ACST.
Greater Western Sydney, Adelaide Oval
Saturday, May 1
Port Adelaide, Adelaide Oval (away)
Saturday, May 8