Twenty-five years after the world wide web was created, it is now caught in the greatest controversy of its existence - surveillance. With many concerned that governments and corporations can monitor our every move, Horizon meets the hackers and scientists whose technology is fighting back. It is a controversial technology, and some law enforcement officers believe it is leading to risk-free crime on the dark web - a place where almost anything can be bought, from guns and drugs to credit card details.

47 Meters Down
2017
5.8/10

The Italian Job
2003
6.8/10

Joker
2019
8.1/10

Oppenheimer
2023
8.0/10

Titanic
1997
7.9/10

The Shawshank Redemption
1994
8.7/10

Inside Out
2015
7.9/10

Batman Begins
2005
7.7/10

Back to the Future
1985
8.3/10

1917
2019
8.0/10

Once Upon a Time... in Hollywood
2019
7.4/10

Tenet
2020
7.2/10

The Truman Show
1998
8.1/10

Birds of Prey (and the Fantabulous Emancipation of One Harley Quinn)
2020
6.9/10

Green Book
2018
8.2/10

Extraction
2020
7.3/10

Spider-Man: Far From Home
2019
7.4/10

Three Billboards Outside Ebbing, Missouri
2017
8.1/10

Harry Potter and the Prisoner of Azkaban
2004
8.0/10

Avengers: Infinity War
2018
8.2/10