Scorpion arms, legs, abs.

Do just one body part or all three if you're ambitious.

Scene takes place in the Scorpion garage 
          .....30 second plank
          .....15 backward leg lifts each side
          .....20 bicycles  

Gun or other weapon drawn 
Fight or chase scene
          .....10 push ups
          .....20 jumping jacks
          .....10 straight leg lifts

Sylvester does math
Happy builds something/tinkers
          .....15 lateral arm raises
          .....15 forward leg lifts each side
          .....10 reverse crunches

Ralph is mentioned or present in a scene
          .....15 tricep pushups
          .....20 sumo squats

          .....20 oblique/side crunches each side

Awkwardness between two characters 
Flirting
          .....20 bicep curls
          .....30 calf raises
          .....20 crunches

Cabe barks orders at anyone 
Paige smooths something over
          .....15 shoulder presses
          .....30 second wall sit
          .....20 Russian twists