![](https://image.tmdb.org/t/p/w300/rGO5hQYmmCu6zwE76IEM4jEZLpK.jpg)
S03 Episode 1
World's Largest Radio Telescope
42 mins · Thu, 30 Mar 2017
![](https://cdn1.comparetv.com.au/wp-content/themes/CompareTV-2018/assets/img/ctv-still-default.jpg)
S03 Episode 1
World's Largest Radio Telescope
47 mins · Thu, 30 Mar 2017
![](https://image.tmdb.org/t/p/w300/7epcz1tNYSWv4QKy52HPYyak3KA.jpg)
S03 Episode 2
Panama Canal Overhaul
42 mins · Thu, 6 Apr 2017
![](https://cdn1.comparetv.com.au/wp-content/themes/CompareTV-2018/assets/img/ctv-still-default.jpg)
S03 Episode 2
Panama Canal Overhaul
48 mins · Thu, 6 Apr 2017
![](https://image.tmdb.org/t/p/w300/7w3acGS2VpFLcOVuQLEiqAHN0BO.jpg)
S03 Episode 3
World's Biggest Ship
42 mins · Thu, 13 Apr 2017
![](https://cdn1.comparetv.com.au/wp-content/themes/CompareTV-2018/assets/img/ctv-still-default.jpg)
S03 Episode 3
World's Biggest Ship
48 mins · Thu, 13 Apr 2017
![](https://cdn1.comparetv.com.au/wp-content/themes/CompareTV-2018/assets/img/ctv-still-default.jpg)
S03 Episode 4
Halley VI Research Station
48 mins · Thu, 20 Apr 2017
![](https://image.tmdb.org/t/p/w300/laD07tHaZfUpx9T6CcirGm6IN3J.jpg)
S03 Episode 4
Ice Base
42 mins · Thu, 20 Apr 2017
![](https://image.tmdb.org/t/p/w300/rxNXacGXpVb3U5a1i8FYa5ymGCv.jpg)
S03 Episode 5
Mega City Railway
42 mins · Thu, 27 Apr 2017
![](https://cdn1.comparetv.com.au/wp-content/themes/CompareTV-2018/assets/img/ctv-still-default.jpg)
S03 Episode 5
Crossrail
48 mins · Thu, 27 Apr 2017
![](https://image.tmdb.org/t/p/w300/1glrrSwom1iPK2B2hKjgO6SKzl8.jpg)
S03 Episode 6
The Invincible Tower
42 mins · Thu, 4 May 2017
![](https://cdn1.comparetv.com.au/wp-content/themes/CompareTV-2018/assets/img/ctv-still-default.jpg)
S03 Episode 6
Tokyo Skytree: Japan
47 mins · Thu, 4 May 2017
![](https://image.tmdb.org/t/p/w300/a4JwUYyPQPoatfOlyf798n73QKI.jpg)
S03 Episode 7
International Space Station
42 mins · Thu, 11 May 2017
![](https://cdn1.comparetv.com.au/wp-content/themes/CompareTV-2018/assets/img/ctv-still-default.jpg)
S03 Episode 7
International Space Station
47 mins · Thu, 11 May 2017
![](https://image.tmdb.org/t/p/w300/cY9b2VKd74TLLQZvSrAJmoS7snF.jpg)
S03 Episode 8
US Navy's Super Ship
42 mins · Thu, 18 May 2017
![](https://cdn1.comparetv.com.au/wp-content/themes/CompareTV-2018/assets/img/ctv-still-default.jpg)
S03 Episode 8
Littoral Combat Ships Class
48 mins · Thu, 18 May 2017
![](https://image.tmdb.org/t/p/w300/vaB5nCX51J2Nhi9Q4UCDWPKeOd4.jpg)
S03 Episode 9
Inside the Tesla Factory
42 mins · Thu, 25 May 2017
![](https://cdn1.comparetv.com.au/wp-content/themes/CompareTV-2018/assets/img/ctv-still-default.jpg)
S03 Episode 9
Inside the Tesla Factory
47 mins · Thu, 25 May 2017
![](https://image.tmdb.org/t/p/w300/2baBZn5glugrUUo3mGJ6By93O2R.jpg)
S03 Episode 10
World's Biggest Aircraft
42 mins · Thu, 1 Jun 2017
![](https://cdn1.comparetv.com.au/wp-content/themes/CompareTV-2018/assets/img/ctv-still-default.jpg)
S03 Episode 10
Airlander 10 Airship
48 mins · Thu, 1 Jun 2017
![](https://image.tmdb.org/t/p/w300/rQGiBPLK3aha1sWW8uEj0hF4Rwk.jpg)
S03 Episode 11
World's Tallest Roller Coaster
42 mins · Thu, 8 Jun 2017
![](https://cdn1.comparetv.com.au/wp-content/themes/CompareTV-2018/assets/img/ctv-still-default.jpg)
S03 Episode 11
World's Tallest Roller Coaster
48 mins · Thu, 8 Jun 2017
![](https://image.tmdb.org/t/p/w300/7RsrnjWbRjEeY0E3RwlSKJFXekX.jpg)
S03 Episode 12
Monster Oil Rig
42 mins · Thu, 15 Jun 2017
![](https://cdn1.comparetv.com.au/wp-content/themes/CompareTV-2018/assets/img/ctv-still-default.jpg)
S03 Episode 12
Monster Oil Rig
48 mins · Thu, 15 Jun 2017