The 1978 performance of 'Junior's Eyes' by Black Sabbath featuring Dave Walker on vocals from the BBC Midlands programme 'Look! Hear!' will be screened at the 6.30pm 'Missing Believed Wiped' event at the National Film Theatre on London's South Bank. It will be only the seond time any footage has been screened from this performance in 32 years and the first time it will be re-screened in its entirety. The two hour session will include other screenings of rare Top of the Pops material and recently recovered footage of Pink Floyd from 1967.