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- Season 0 1966-12-25
- Season 1 1964-02-04
- Season 2 1965-01-06
- Season 3 1966-01-02
- Season 4 1967-01-17
- Season 5 1968-01-02
- Season 6 1969-01-02
- Season 7 1970-01-05
- Season 8 1971-01-04
- Season 9 1972-01-03
- Season 10 1973-01-04
- Season 11 1974-01-07
- Season 12 1975-01-20
- Season 13 1976-01-05
- Season 14 1977-01-07
- Season 15 1978-01-06
- Season 16 1979-02-26
- Season 17 1980-01-14
- Season 18 1981-01-05
- Season 19 1982-01-11
- Season 20 1983-01-10
- Season 21 1984-01-09
- Season 22 1985-01-07
- Season 23 1986-01-06
- Season 24 1987-01-05
- Season 25 1988-01-04
- Season 26 1989-01-09
- Season 27 1990-01-08
- Season 28 1991-01-07
- Season 29 1992-01-06
- Season 30 1993-01-04
- Season 31 1994-01-10
- Season 32 1995-01-09
- Season 33 1996-01-08
- Season 34 1997-02-27
- Season 35 1998-02-19
- Season 36 1999-01-28
- Season 37 2000-01-12
- Season 38 2001-01-25
- Season 39 2002-01-10
- Season 40 2003-01-09
- Season 41 2004-01-08
- Season 42 2005-01-13
- Season 43 2006-01-12
- Season 44 2007-03-13
- Season 45 2008-01-15
- Season 46 2009-01-26
- Season 47 2009-10-13
- Season 48 2010-09-27
- Season 49 2011-08-08
- Season 50 2012-07-23
- Season 51 2013-08-12
- Season 52 2014-08-18
- Season 53 2016-03-16
- Season 54 2017-01-19
- Season 55 2018-02-05
- Season 56 2019-01-23
- Season 57 2020-01-16
- Season 58 2021-01-04
- Season 59 2022-03-31
- Season 60 2024-07-22
Season 60 Episode
- Season 42 Global Dimming
- Season 42 Einstein's Unfinished Symphony
- Season 42 Einstein's Equation of Life and Death
- Season 42 Living with ADHD
- Season 42 Neanderthal
- Season 42 An Experiment to Save the World
- Season 42 Who's Afraid of Designer Babies?
- Season 42 The Lost Civilisation of Peru
- Season 42 The Next Megaquake
- Season 42 Does the MMR Jab Cause Autism?
- Season 42 Malaria: Defeating the Curse
- Season 42 Tsunami: Naming the Dead
- Season 42 The Hawking Paradox
- Season 42 The Mystery of the Human Hobbit
- Season 42 The Doctor Who Makes People Walk Again?
- Season 42 Can Fish Make My Child Smart?
- Season 42 Madagascar - A Treetop Odyssey
- Season 42 Titan. A Place Like Home?
- Season 42 The 7/7 Bombers: A Psychological Investigation
- Season 42 The Ghost in Your Genes
Horizon - Season 42 Episode 19 The 7/7 Bombers: A Psychological Investigation
7.40 60 minutes On 7 July 2005 Britain experienced its first ever suicide attack. Four bombs exploded in central London, killing 52 people and injuring over 700. When Scotland Yard launched one of the biggest investigations in its history, another first was quickly uncovered: the suicide bombers were home-grown, they were young British men, attacking their own country. Horizon explores what makes someone want to blow themselves – and others - up?
