In 1938, Gilbert moved into television as a scout and assistant editor to producer Cecil Madden on the weekly programme Picture Page.
Upon the resumption of television broadcasting in the United Kingdom in 1946, Gilbert became editor-in-chief and presenter of the afternoon and evening editions of Picture Page and various programmes aimed at women.
[6][7] When the BBC suspended its television service upon the outbreak of the Second World War, Gilbert held jobs in wartime radio broadcasting.
[1][3] Upon the resumption of television broadcasting in the United Kingdom in 1946, Gilbert became editor-in-chief and presenter of the afternoon and evening editions of the programme Picture Page.
[3][4] Gilbert shared interviewing duties of notable individuals to ordinary citizens with Leslie Mitchell and reported on the Wedding of Princess Elizabeth and Philip Mountbatten at Westminster Abbey in 1947.
[1][3] Following a bout of illness in 1950, she stopped editing Picture Page and focused on interviewing and presenting for the programme;[1] Gilbert was replaced by Mary Malcolm when she was unwell.
[11] Gilbert made her last television appearance as a BBC staff member on 30 June 1953 and became a freelance broadcaster and writer,[1][3][12] having left the corporation on amicable terms.