A television series produced by Jim Henson Television, originally run from 1996 through 1998. As the name implies, it was based on a selection of characters from the books of Dr. Seuss.
There is more to the particular word, "wubbulous", than just an amusing and alliterative alternative to "wonderful". The word is introduced to the Seussian dialect in the good doctor's underappreciated 1965 classic, I Had Trouble In Getting To Solla Sollew. The protagonist, facing a difficult journey through a dangerous land in uncertain weather, hitches a ride with a chap driving a fantastic one-wheeled contraption known as a wubble, drawn over hill and dale by a most forlorn-looking camel. Following this,
the wubble wubbed on in a wubbulous way...