This is the 4292nd most frequent Russian word.
анимационного
"Animated" or "animation-related."
Here, 'анимационного' is an attributive adjective describing the noun 'фильм' (movie), indicating the genre of animation.
Я посмотрел вчера интересный анимационный фильм.
I watched an interesting animated movie yesterday.
In this sentence, 'анимационное' is an adjective modifying 'шоу' (show), specifying that the show belongs to the genre of animation.
Это было самое популярное анимационное шоу года.
This was the most popular animated show of the year.
The word 'анимационного' acts as an adjective describing 'эффекта' (effect), indicating that the effect lies in the realm of animation.