'Kevin!': Catherine O'Hara's 'Home Alone 2' cry goes TikTok viral; 'Schitt's Creek' star's past revealed - USA TODAY

Catherine O'Hara screamed "Kevin!" in "Home Alone 2." The "Schitt's Creek" star's shout, and career, is just being discovered by some on TikTok.

A new generation is discovering that "Schitt's Creek" star Catherine O'Hara is Kevin's mother in the "Home Alone" series in classic style.

More: 'Schitt's Creek' set seven-Emmy record because the comedy is simply the best.

One year after leaving Kevin (Macauley Culkin) solo in "Home Alone," O'Hara's Kate suddenly realizes the family has (again!) left Kevin stranded – this time in New York City.

"Every time someone discovers the larger filmography of Catherine O'Hara, an angel gets its wings

Every time someone discovers the larger filmography of Catherine O'Hara, an angel gets its wings

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