Place it right after the mischief, as the turning point of the scene, then follow it with No No Wait Wait when Leonard starts to protest, and finish with Damn for the group's reaction to his excuse.
Über diesen Sound
This is a short Portuguese voice clip, lasting about four and a half seconds, in which a speaker tells Leonard to be a good boy in a firm but playful tone. It feels like a light, teasing scolding, warm rather than angry, and it works best as a gentle nudge when someone is acting up.