David Dimbleby presents a report by Denis Tuohy on the internal changes that have taken place in Cuba under Castro.

The Conservative Party comes under scrutiny in this investigation of the processes and the policies behind the leadership contest. The programmes also takes a look at the electioneering of Margaret Thatcher and the media crowd following her campaign. According to an article in 'The Times' on the day following the broadcast, Mrs Thatcher withdrew from the programme at the last minute because she felt that she would not have had the right of reply.

Julian Pettifer asks if the comprehensive education system is working. He travels to Sheffield, a city with five years of experience under the new system, and talks to teachers, children and parents. He wants to know if the schools are too big and if bright children are suffering under the new system of equality in education.

A report in the EEC referendum, with a particular interest in how the pros and antis will run their campaigns. MPs John Mackintosh and Neil Marten argue in studio.

David Lomax reports with exclusive footage of the coronation of Nepal's King Berendra. The programme looks at the challenges faced by this 28-year-old former Etonian whose country is among the 25 poorest in the world.

An interview with H.R. Haldeman, former chief of staff to Richard Nixon, who resigned following the Watergate affair.

Julian Pettifer reports on a trip to war ravaged Vietnam.

A report on Britain's steel industry asking whether it can modernize without losing too many jobs. Richard Kershaw's investigation takes him to Welsh and Teesside steel works.

A report on the President Thiu of South Vietnam's resignation and the implications this holds for US policy. Also includes coverage of the first free elections in Portugal for half a century.

Panorama investigates the 1969 Luton Post Office killing for which three men were convicted and the revelations since uncovered which have led many to believe that these convictions were miscarriages of justice.

Nearly 10 years Rhodesia unilaterally declared independence and with the future of the white rebellion looking uncertain, Richard Kershaw talks with Prim Minister Ian Smith and asks him what terms he would consider.

Tony Benn and Roy Jenkins debate on the EEC Common Market in studio.

Robert McNeil examines NATO, which costs Britain £4.5 billion a year. The report asks if this figure could be reduced by allies agreeing to cut out duplication of weapon systems.

David Dimbleby talks to Sir Keith Joseph about his ideas of capitalism, communism and the present crisis facing the world.

An examination of the spiralling costs of council housing, with contribution from Environment Secretary Anthony Crosland.

Denis Tuohy looks at the situation facing Vietnamese refugees in the United States, visiting refugee camps, union leaders and speaking to Marshal Hy, the six-gun toting former president of South Vietnam.

David Dimbleby interviews Yitzhak Rabin of Israel and Tom Mangold reports from Syria.

A look at the threat arrival straight into unemployment faced by school leavers. In addition, a David Dimbleby follows Margaret Thatcher to America in a report entitled "Thatcher Goes West" as she spreads her conservative philosophy stateside.

Tonight's programme examines the relationship between MPs and their constituents. Michael Cockerell speaks with Reg Prentice about the balance between representing a constituency of electors and an advocate for one's political party.

A report on Ulster loyalists and a conversation with Young Conservative conservatives from Blackpool about the decline in votes.

A look at the problem of adult illiteracy, including a studio discussion with a number of people affected and an insight into the efforts made to remedy the issue.

Richard Lindley speaks to white farmer Des Bawden and black barrister Sottayi Katsere in a programme investigating whether all races can live peacefully in Rhodesia ten years after the unilateral declaration of independence.

David Dimbleby examines the issues surrounding devolution. Robin Day talks to politicians such as Edward Heath, Jeremy Thorpe and George Reid. The debate is continued in the edition of "Tonight" which ran later in the evening.

Tonight's programme includes a report from Sydney following the Australian election.

Tom Mangold reports on the case of Patrick Mackay case: Patrick Mackay (b. 1952) was the unhappy child of a violent father and a product of a cold institutional upbringing. He would go on a rampage of violence through London and Kent, killing at least three people. Mackay's transcripts are read by famous actor Malcolm McDowell.