When Shock Wave opened in 1978, it was coined by Six Flags as the tallest, longest, fastest double loop roller coaster in the world. During the 1990s, a statistic began to swarm around the theme park industry claiming that Shock Wave was the first roller coaster to feature consecutive loops.

As of 2026, Shock Wave at Six Flags Over Texas is 48 years old. This legendary steel roller coaster officially opened to the public on April 22, 1978. Designed by the renowned engineer Anton Schwarzkopf, it was a record-breaker in its debut year, briefly holding the title of the tallest complete-circuit roller coaster in the world at 116 feet. Shock Wave is famous among enthusiasts for its back-to-back vertical loops and the intense "positive G-forces" it exerts on riders (reaching up to 5.5 Gs), which is higher than many modern, much larger coasters. Despite its age, it remains a favorite at the park due to its smooth ride experience and unique "Schwarzkopf" engineering, which doesn't use the computer-controlled braking common on newer rides. Over the decades, it has seen several repaints—moving from its original white to blue and red, and eventually to its current green and blue scheme—and even briefly experimented with Virtual Reality headsets in 2016. It celebrated its 50 millionth rider in early 2024, proving its enduring popularity as a classic "thrill" attraction.