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  * [ Series ](../series.html)
  * pandas.Series.isnull 

#  pandas.Series.isnull  #

Series.  isnull  (  )  [ [source]  ](https://github.com/pandas-
dev/pandas/blob/v2.2.1/pandas/core/series.py#L5769-L5774) #

    

Series.isnull is an alias for Series.isna.

Detect missing values.

Return a boolean same-sized