Because of uncertainty about the physical significance of the hydrogen ion concentration, the definition of the pH is an operational oneâi.e., it is based on a method of measurement.
Topics: Entertainment âº Television âº Nickelodeon. Spongebob Squarepants first aired in the US on July 17, 1999. It aired in the UK on January 4, 2000 and in Japan on July 19, 2002. Login or Sign Up to answer this question.
Hillenburg announced that he was putting the series on hiatus while he focused on the theatrical movie. At the time, no one knew if more SpongeBob episodes would be forthcoming. The movie, released on Nov. 19, 2004, was a popular and critical hit, and a fourth season was announced.