Britain's Biggest 70s Hits Episode Rating Graph

Celebrating the biggest-selling singles of the 1970s, beginning with 1970 - the best pop videos, the artists who appeared in them and the stories behind the songs - from Jimi Hendrix and Shirley Bassey to the Beach Boys and the Moody Blues.

The music of 1971 is explored, featuring songs by The New Seekers, Sweet and Benny Hill.

A look at the biggest-selling singles of 1972, the best pop videos, and the stories behind the songs.

A selection of the most popular songs in Britain during 1973, including tracks by David Bowie, Slade, 10cc and the Carpenters. Andy Scott from the Sweet recalls their chart toppers and author Daryl Easlea shines the spotlight on Slade's success. There are also contributions from Gary Numan, Suzi Quatro, Merrill Osmond and Paul Gambaccini.

Gary Numan, Dana, Paul Gambaccini and other famous faces guide viewers through the biggest hits of 1974. Dave Bartram from Showaddywaddy recalls their chart toppers, Mike Batt reveals the secrets of the Wombles' success, and Carl Douglas remembers his number one hit, Kung Fu Fighting

This chart countdown celebrates the biggest selling singles of 1975, the best pop videos, the artists who appeared in them, and the stories behind the songs - from Roxy Music and the Carpenters to Queen and David Bowie. Leo Sayer, Candi Staton, Dana, Tony Christie, Paul Gambaccini, and other famous faces guide viewers through the biggest hits of the year. Dave Bartram from Showaddywaddy recalls their chart toppers, while members of Mud, 10cc and the Bay City Rollers reminisce about their hits

A look at the musical highs of 1976, with contributions from Dana and Paul Gambaccini. Leo Sayer, Tina Charles, and Candi Staton recall their chart-toppers, while members of the Real Thing, Showaddywaddy, Dr Hook, and Brotherhood of Man reminisce about their hits

A look at the biggest-selling singles of 1977, the best pop videos, and the artists who appeared in them, from ABBA and Queen, to Rod Stewart and Barbra Streisand. Chris Tarrant, Dana, Paul Gambaccini and other famous faces recall the era. Plus, contributions from Leo Sayer and members of the Brighouse and Rastrick Brass Band, and the Brotherhood of Man

A look at the biggest-selling singles of 1978, the best pop videos, and the artists who appeared in them. Chris Tarrant, Dana, Paul Gambaccini and other famous faces guide us through the biggest hits of the year. Gwen Dickey of Rose Royce recalls her time at the top of the charts. Dean Friedman tells the story behind his big hit, Lucky Stars, while members of 10cc, Boney M and Brotherhood of Man look back on their chart successes.

Chart countdown celebrating the biggest-selling singles of 1979, celebrating the videos that went with them and the artists that made them.