When does Snoopy! The Musical return?

Snoopy!!! The Musical is the 31st prime-time animated TV special based on characters from the Charles M. Schulz comic strip Peanuts. It is an animated adaptation of the musical of the same name, and originally aired on the CBS network on January 29, 1988. This is one of the two musicals in the Peanuts franchise where Snoopy has a speaking voice which only viewers can hear.