Ninja Warrior UK - Season 4
1 - Heat 1
Air Date: April 14, 2018
2 - Heat 2
Air Date: April 21, 2018
3 - Heat 3
Air Date: April 28, 2018
4 - Heat 4
Air Date: May 5, 2018
5 - Semi-Final 1
Air Date: May 12, 2018
6 - Semi-Final 2
Air Date: May 19, 2018
7 - Final 1
Air Date: May 26, 2018
8 - Final 2
Air Date: June 9, 2018