High Quality Content by WIKIPEDIA articles! Allegra`s Window is a children`s television series that aired on Nick Jr. from October 24, 1994 to May 1, 1996, with reruns airing from May 2, 1996 to June 1998 and later airing on Noggin from February 2, 1999 to April 2003. The show featured child actor Tessa Ludwick and deals with the daily life of a precocious, imaginative puppet named Allegra, in a similar style to Sesame Street.