Sleepy Hollow arms, abs, legs.

Do just one body part (arms, legs, or abs), or all three if you're ambitious.

Someone eats, drinks, sleeps, or dies
          .....30 second plank
          .....15 backward leg lifts each side
          .....20 bicycles

Flashback, Katrina, or research
          .....15 lateral raises
          .....15 forward leg lifts each side
          .....10 reverse crunches

There is a lost-in-translation moment for Ichabod regarding the modern world
          .....15 shoulder presses
          .....20 sumo squats
          .....20 Russian twists

British pronunciation of lieutenant ("leftenent")
Language other than English is spoken
          .....15 tricep pushups
          .....30 second wall sit
          .....20 oblique/side crunches each side

Abbie backstory, scene takes place at the precinct
          .....20 bicep curls
          .....30 calf raises
          .....20 crunches

Headless horseman or other demon seen onscreen
          .....10 push ups
          .....20 jumping jacks
          .....10 straight leg lifts