While there are so many Dolittles, there is only one Ivan. The One and Only Ivan is available to stream on Disney+ starting Aug. 21 Plan your screen time with the weekly What to Watch newsletter.

Sam Rockwell is the voice of Ivan, a 400-pound silverback gorilla, in The One and Only Ivan. Photo by Disney ...

In that light, it’s unusual to encounter a mainstream kiddie flick as shambling and relaxed and old-school quiet as “The One and Only Ivan.” We are, in fact, so used to seeing children’s entertainment ...

“The One and Only Ivan,” a Walt Disney Co. release, is rated PG by the Motion Picture Association of America for mild thematic elements. Running time: 90 minutes.