The only reasonable explanation of Keith’s new haircut is that he was assaulted by a barber.

Transcript

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[[Keith (the Young Man) enters his apartment building. The Kitten follows. A bllue-haired schoolgirl is seen standing nearby.]]

[[Keith tosses his keys in the air as he enters his apartment. Behind him, the Kitten peers around the doorjamb.]]

[[Keith, hearing a sound behind him, realizes he is not alone.]]
Kitten (below frame): Purrrrrr...]]]