CHICAGO (thefutoncritic.com) -- UPN has made several changes to its previously announced November sweeps schedule (read the story). Here's a breakdown of the latest moves:

Tuesday, Nov. 11

ONE ON ONE (8:00-8:30 PM, ET/PT) - Succumbing to peer pressure, Breanna decides she is going to lose her virginity, while Arnaz's mother convinces Flex to have the "sex talk" with him. (Previously announced for Nov. 18)

Tuesday, Nov. 18

ONE ON ONE (8:00-8:30 PM, ET/PT) - To boost ratings for The Flex Files, the station hires a sexy female sidekick (guest star Jenny McCarthy) for Flex, who promptly steals his limelight. Meanwhile, Duane finally meets the man who could be his father (guest star Smokey Robinson). (Previously announced for Nov. 25)

ALL OF US (8:30-9:00 PM, ET/PT) - Jonny (guest star Will Smith), a recently divorced college friend of Robert, Dirk and Neesee's, comes to town, but much to Robert's dismay, romantic sparks begin to fly between Johnny and Neesee.

EVE (9:00-9:30 PM, ET/PT) - Special Night/Time - J.T. feels his privacy has been invaded after Shelly shares bedroom details with her girlfriends. Missy Elliott guest stars as herself. (Previously announced for Nov. 10)

ROCK ME BABY (9:30-10:00 PM, ET/PT) - Special Time - After actress Jessica Alba appears as a guest on Jimmy and Carl's radio show, her flirtatious behavior challenges Jimmy and Beth's relationship and how they deal with sexual fantasies about someone other than each other. (Previously announced for Nov. 25)

Tuesday, Nov. 25

ONE ON ONE (8:00-8:30 PM, ET/PT) - When Flex meets a female version of himself (guest star Robin Givens), an ambitious, sexy journalist, the sparks fly in the bedroom and out, but when Breanna learns that the woman is using her son Eric (guest star Romeo) to steal stories from Flex, father and daughter team up to seek revenge. (Previously announced for Nov. 11)

ROCK ME BABY (9:00-9:30 PM, ET/PT) - When Otis gets a job modeling as a baby girl, Jimmy gets upset while Beth becomes completely enchanted with the allure of the modeling world. Tempestt Bledsoe ("The Cosby Show") guest stars. (Previously announced for Nov. 18)