The Ripping Friends: The World's Most Manly Men! is a Canadian animated television series, created by John Kricfalusi. The show premiered September 22, 2001 on Fox Kids, but was cancelled in September 2002. Adult Swim later picked up the show. The series occasionally airs in Canada on Teletoon. The series also aired briefly in the UK on the CNX channel. The show is rated TV-Y7 on Fox Kids and TV-PG on [adult swim] in the United States, and C8 to 14+ on Teletoon in Canada.

Cat and Gene have been divorced for several years. They are both visiting their son and their grandchildren, Sydney and Willie. Willie's a genius who develops a formula that makes who uses it young again, it inadvertently spills into some soap that Willie places in his grandparents room. When each of them uses it they finds themselves 17 again. Willie had to find a way to reverse the process but will his grandparents want to be old again?