Remove NaN values from a Pandas series

import pandas as pd
import numpy as np

#create series
s = pd.Series([0,4,12,np.NaN,55,np.NaN,2,np.NaN])

#dropna - will work with pandas dataframe as well
s.dropna()

0     0.0
1     4.0
2    12.0
4    55.0
6     2.0
dtype: float64