How old was Katie Mattila in…

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Sorted by Release Date
Ages in TV shows are based off the first air date and may not be accurate. View individual episode details for accurate ages

Katie Mattila was ? in Bugs Bunny Builders as 'Writer'.

TV Show Released: First Air Date
Mon, Jul 25 2022

Katie Mattila was ? in Archibald's Next Big Thing as 'Writer'.

TV Show Released: First Air Date
Fri, Sep 06 2019

Katie Mattila was ? in Little Big Awesome as 'Writer'.

TV Show Released: First Air Date
Thu, Apr 26 2018

Katie Mattila was ? in Unikitty! as 'Teleplay'.

TV Show Released: First Air Date
Sat, Oct 28 2017

Katie Mattila was ? in Rapunzel's Tangled Adventure as 'Story, Writer, Staff Writer'.

TV Show Released: First Air Date
Fri, Mar 24 2017

Katie Mattila was ? in The Loud House as 'Writer'.

TV Show Released: First Air Date
Mon, May 02 2016

Katie Mattila was ? in Harvey Beaks as 'Writer'.

TV Show Released: First Air Date
Sat, Mar 28 2015

Katie Mattila was ? in The Legend of Korra as 'Writer'.

TV Show Released: First Air Date
Sat, Apr 14 2012

Katie Mattila was ? in Kung Fu Panda: Legends of Awesomeness as 'Writer'.

TV Show Released: First Air Date
Mon, Sep 19 2011

Katie Mattila was ? in Avatar: The Last Airbender as 'Writer'.

TV Show Released: First Air Date
Mon, Feb 21 2005