Stephanie Nadolny voiced her first non-anime role on the program "Lakewood Plaza Turbo" shown on the animation studio owned by a subsidiary of what?
Time Warner
Title: Cartoon Network Studios
Passage: Cartoon Network Studios is an American animation studio based in Burbank, California.  It is owned by Cartoon Network and Turner Broadcasting System, which are both subsidiaries of Time Warner.  It focuses on producing and developing original animated programs and shorts for Cartoon Network, but sometimes also for late-night programming block Adult Swim, and from 2018 for the first time on TBS.
Title: Stephanie Nadolny
Passage: Stephanie Ann Nadolny is an American voice actress and singer.  She is best known for her voice role as the child version of Goku, the protagonist of the "Dragon Ball" anime series, and the child version of Goku's son, Gohan, in "Dragon Ball Z".  She reprised both roles in several "Dragon Ball" related video games and media.  In 2013, she voiced her first non-anime role as KO in the pilot of the Cartoon Network Studios original program "Lakewood Plaza Turbo" and its television adaptation, "OK K.O.!  Let's Be Heroes" (although the character is occasionally played by Courtenay Taylor).
Title: Nest Family Entertainment
Passage: Nest Family Entertainment was formed in 1987 as Family Entertainment Network by Jared F Brown and Seldon O Young.  The studio owned Richard Rich's animation studio Rich Animation Studios until 2000 when it was acquired by Indian animation company Crest Animation Studios and renamed to RichCrest Animation Studios before being renamed again to Crest Animation Productions.
Stephanie Nadolny Cartoon Network Studios