The event which is at All Saints Centre Church/Community Centre New Road Hackbridge starts at 6pm.
Healthwatch Sutton is taking part in the event as part of its work in understanding the issues for people with dementia and their carers.
"Cost donations on the night (minimum £3 please). All donations will be passed to the volunteer group who are organising this for us. The group are lottery funded to provide a community cinema for older people," said a spokesperson.
Place are limited so to book a place please contact [email protected] or telephone 0208 641 9540.