4 - 1Dubai's Dream Palace (Worlds Tallest Hotel) Aug. 25, 2007- 4 - 2Ultimate Structures: Super Copter Jul. 14, 2007
- 4 - 3Queen Mary 2 Jul. 16, 2007
- 4 - 4South Pole Station Nov. 06, 2007
- 4 - 5Beijing Water Cube May. 13, 2008
- 4 - 6Episode 6 May. 15, 2008
- 4 - 7Episode 7 May. 16, 2008
- 4 - 8Episode 8 May. 20, 2008
- 4 - 9Deep Ocean Port (China's Ultimate Port) May. 27, 2008
- 4 - 10Episode 10 May. 29, 2008
- 4 - 11The World's Biggest Cruiseliner Jun. 04, 2008
- 4 - 12Beijing Olympic Stadium Aug. 05, 2008
- 4 - 13Episode 13 Sep. 18, 2025
- 4 - 14Episode 14 Sep. 18, 2025
- 4 - 15Future Trains Feb. 07, 2012
- 4 - 16Building the World Jul. 23, 2007
- 4 - 17Episode 17 Sep. 18, 2025
- 4 - 18Building Green Beijing Sep. 18, 2025
- 4 - 19Atom Smasher Jul. 31, 2008
- 4 - 20Megabridges: China Sep. 18, 2025
- 4 - 21Ultimate Structures: Super Sub Sep. 18, 2025
- 4 - 22Sun Engine Sep. 18, 2025
- 4 - 23Super Pipeline Sep. 18, 2025
- 4 - 24Hawaii Superferry Aug. 26, 2007
- 4 - 25Extreme Alaska Sep. 18, 2025
- 4 - 26World Trade Center Bahrain Sep. 18, 2025
- 4 - 27The World's Biggest Shredder Sep. 18, 2025
- 4 - 28Impossible Hotels: Dubai Sep. 18, 2025