High Hopes A Looney Tunes Cartoon in vertical video format! Sylvester tries to capture Tweety while Granny takes some much needed “me-time.” Details Casts Galleries Posters Title High Hopes Release Date 2021-01-23 Runtime 00 Hours 03 Minutes Genres Animation Comedy Production Companies Warner Bros. Animation Production Countries United States of America Eric Bauza... Tweety (voice)... Jeff Bergman... Sylvester (voice)... Candi Milo... Granny (voice)... Original Size (1280x720) Original Size (680x1000)