|Click here to watch the on-ride POV|
|Concept Art released in Summer 2021|
|Manufacturer||Bolliger & Mabillard|
|Product||Custom Dive Coaster|
|Type||Steel - Floorless - Diving|
|Riders per train||21|
|Propulsion||Chain lift hill|
|Top speed||60 mph|
Dr. Diabolical's Cliffhanger is a steel floorless roller coaster currently located at Six Flags Fiesta Texas in San Antonio, Texas, USA. It is a Dive Coaster manufactured by Bolliger & Mabillard and opened on July 30, 2022.
Dr. Diabolical's Cliffhanger was announced on July 28, 2021 at the park by park president, Jeffrey Siebert.
Vertical construction began in early 2022. In March, the highest portion of the ride was topped off. Track installation was completed in early April. On July 7, the park announced that the ride would open on July 30. The ride had its grand opening on July 30, 2022.
- Tuttle, Brittani (2021-07-28). "Dr. Diabolical’s Cliffhanger roller coaster announced for 2022 at Six Flags Fiesta Texas". Attractions Magazine. https://attractionsmagazine.com/dr-diabolicals-cliffhanger-roller-coaster-announced-six-flags-fiesta-texas/. Retrieved 2021-07-29.
- "Bouw Dr. Diabolical’s Cliffhanger gaat de hoogte in bij Six Flags Fiesta Texas". https://themeparkfreaks.eu/2022/02/bouw-dr-diabolicals-cliffhanger-gaat-de-hoogte-in-bij-six-flags-fiesta-texas/.
- "Dr. Diabolicals Cliffhanger Topped Off at Six Flags Fiesta Texas". https://www.parkjourney.com/six-flags/dr-diabolicals-cliffhanger-topped-off-at-six-flags-fiesta-texas.
- "Six Flags Fiesta Texas Completes Dr. Diabolical's Cliffhanger's Layout". NewsPlusNotes. 2022-04-04. https://newsplusnotes.blogspot.com/2022/04/six-flags-fiesta-texas-completes-dr.html. Retrieved 2022-04-05.
- "🚨Dr. Diabolical’s Cliffhanger UPDATE! 🚨 We are excited to announce Dr. Diabolical’s Cliffhanger, the World’s Steepest Dive Coaster, is set to open July 30, 2022! https://bddy.me/3bUmpxl #MySixflagsFiestaTexas #DrDiabolicalsCliffhanger #30thAnniversary". Six Flags Fiesta Texas. 2022-07-07. https://twitter.com/SF_FiestaTexas/status/1545120550795845634. Retrieved 2022-07-08.
- "Thrill seekers flood Six Flags Fiesta Texas for opening of world’s steepest dive coaster". https://www.expressnews.com/news/local/article/San-Antonio-dive-coaster-six-flags-17340699.php.
- on the Roller Coaster DataBase.