Young Sheldon star Wendie Malick in her new film Mother of All Shows has been released. The upcoming musical feature follows a woman named Liza (played by Melissa D’Agostino), who is struggling to deal with the imminent death of her estranged mother, Rosa (Malick). In an attempt to work through her turbulent past and cope with what lies ahead, Liza retreats to a '70s variety show in her head, which is hosted by none other than Rosa, according to The Hollywood Reporter.