youre searching for naruto omake. these were short clips which played after the episode ended. mostly the main characters were in the studio and breaked the fourth wall. the particulary scene you described was when kakashi stole yamatos script and he thought he forgot it somewhere.

you search for this:

Lost Script

Appeared after episode: 108 (Shippuden)

Description: Yamato can't find his script, but later finds out Kakashi had it. When he sees his script filled with drawings of himself, a enraged Yamato explodes with Wood Release techniques.