The Big Bang Theoryhad a very special ending tonight.

The sitcoms co-creator and executive producer Chuck Lorre created his 600th vanity card for the end of the comedy.

He has exactly one second of airtime per show to express his deepest thoughts, the studio explains.

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Chuck Lorre/Warner Bros. TV.

Lorre wrote a version he dubbed 600-B that was set to air afterYoung SheldonandMom.

Proceeds from the sale of the book benefited charities.

Lorres next comedy,The Kominsky Methodstarring Michael Douglas, will drop Nov. 16 on Netflix.

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Warner Bros. TV.