The third declension has nouns of all genders, including the neuter. Unlike the regular masculine/feminine declension, neuter nouns must follow our rules of neuter, which makes their declension slightly different. This video also covers how neuter i-stems are formed.
The Third Declension
The third declension has many of the most interesting Latin words. This video covers the declension of third declension nouns in the masculine and feminine genders, how they are translated, and other peculiar features of this fascinating grammatical group.