I think Firefly does it fairly well. As far as I can tell, they do the accelerate-halfway-there-turn-around-slow-down thing. they do have handwavium-powered grav-plating, but hey, you need to leave some leeway. It's science FICTION. (Note the above term is the commonly used phrase describing anything set in the far-future with fancy technology and implausible Whiz-Bang devices. Don't get all pedantic on me and start complaining. If you want actual physics in a TV show, go play more KSP, you'll be happier.) EDIT: I could also say the realistic space combat is attaching engines to asteroids and crashing them into your enemy's planets. I don't care if you're got missiles, try to stop a 1,000-ton rock falling from the sky. I dare you. Space fighters don't have any purpose. You just need a tug with a bunch of fuel and engines. Because it's unmanned, produce hundreds and start dropping rocks.