[s1e27] K.c. And Brett: The Final Chapter, Part 1 -

K.C. and Brett: The Final Chapter - Part 1 | K.C. Undercover Wiki

Near the end, K.C. addresses the camera directly with a warning: "Kids, don't do this at home". [S1E27] K.C. And Brett: The Final Chapter, Part 1

The episode was originally titled "No Going Back, Part 1". [S1E27] K.C. And Brett: The Final Chapter, Part 1