This sound-and-light show had previously been highly recommended by visitors who'd seen it but had gone missing for awhile. Happily, it's back from May 22> Sept. 22 and you can find all of the details on its official website:
https://www.viaggioneifori.it/en/
Other web pages with info:
https://www.comune.roma.it/web/it/notizia/viaggio-nel-foro-di-cesare-dal-22-maggio-torna-lo-spettacolo-multimediale.page
https://www.romeing.it/journey-through-history-forum-of-augustus-caesar/