What better way to celebrate summer than a nostalgic return to the simple days of the Cold War with like-minded admirers of Stanley Kubrick’s classic, “Dr. Strangelove, or: How I Learned to Stop Worrying and Love the Bomb,” at 7 p.m. Monday at the Coolidge Corner Theatre, 290 Harvard St. The screening is part of the air-conditioned venue’s Big Screen Classics series. Tickets are $6 to $9; details at 617-734-2500 or www.coolidge.org.