“Nova: Fireworks” (4 p.m., PBS): The history of pyrotechnics and the chemical secrets

“Nova: Fireworks” (4 p.m., PBS): The history of pyrotechnics and the chemical secrets that create fireworks displays are revealed.

“The Simpsons Movie” (9 p.m., HBO): If you missed “The Simpsons Movie” during its run in theaters last summer, here’s your chance to catch the amusing flick — without commercial interruption — on the small screen. It’s worth it just to hear Homer sing the “Spider-Pig” song.