Sgt. Stubby: An American Hero

Sgt. Stubby: An American Hero is a 2018 animated adventure film centering on the real-life Sergeant Stubby, a stray Boston Terrier. Directed and co-written by Richard Lanni, it features the voices of Logan Lerman, Helena Bonham Carter and Gérard Depardieu. The film was released in North America on April 13, 2018, by Fun Academy Motion Pictures. It received generally positive reviews from critics, who praised it for its "sensitivity and charm", but was a box office bomb, grossing less than $5 million against its $25 million budget.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.

Poster © the film's rights holders.