S3, E16: Chuck, once again, finds himself at odds with his uncle, Jack Bass (recurring guest star DESMOND HARRINGTON). Eleanor (recurring guest star MARGARET COLIN) puts Blair in charge of making sure her latest fashion show is a huge success with an important client. Rufus attempts to get Jenny back on track by volunteering to have her help with Eleanor's fashion show, but the opportunity takes a turn for the worse when Jenny learns that Agnes (recurring guest star WILLA HOLLAND) will be one of the models.