Eurreka's Castle and Allegra's Window were shown on Nick Jr. in the mid-90's. Then, Nick Jr. adds some new shows and in 1999, Eurreka's Castle and Allegra's Window moved to our Sesame Street channel, Noggin. Now as Noggin got changed, these two puppetry shows have completely disappeared. Why did they got rid of Eurreka's Window and Allegra's Window?