IUPAC Green Book[3] in that, in terms of its definition [4], pH = âlg a. H. it involves a single ion quantity, the activity of the hydrogen ion, which is immeasurable by any ther-. modynamically valid method and requires a convention for its evaluation.
The series officially premiered on July 17, 1999. It has received worldwide critical acclaim since its premiere and gained enormous popularity by its second season. A feature film, The SpongeBob SquarePants Movie, was released in theaters on November 19, 2004, and a sequel was released on February 6, 2015.
Since its debut on May 1, 1999, SpongeBob SquarePants has broadcast 205 episodes, and its tenth season premiered on October 15, 2016. The SpongeBob SquarePants Movie, a feature-length film, was released in theaters on November 19, 2004 and grossed over US$140 million worldwide.