The Man from the Future (2011) on Netflix

Plot summary

João "Zero" Henrique heads a major scientific project in Brazil and still cannot forget a college party twenty years earlier, when Helena humiliated him in front of everyone. Sandra, his former college roommate and the sponsor of his research, keeps defending him even though his behavior puts his job at risk. Otávio, his closest friend and a fellow scientist, joins him when he switches on the unfinished machine that was meant to generate a new, sustainable source of energy. With that night on his mind, João steps inside, and the machine's reaction opens a bridge to the past. He comes to in 1991, disoriented, with a key that no longer fits his apartment door, and a stranger confirms the date.