Thunderstrike Grape was the forth product released by Thunderstrike, and third to carry it the Thunderstrike label. It was the final flavor of the original 3, and the launched 4 flavors that began Thunderstrike as a pop company. No new flavors were released until the release of all 3 flavors and Storm Cola in diet form in 1980.
Thunderstrike Grape is a grape flavored pop, with a reddish violet hue. It's flavor is very similar to grape juice, which several grape sodas on the market have not been able to achieve.