Mom-Farnsworth relationship

Farnsworth has at least on 3 accounts went back with his major love, Mom. At around age 90, he worked for Mom's Friendly Robot Company, where he designed robots for the company as well as toys, such as Q. T. McWhiskers, but Mom's suggestion of turning the toy into a giant, made Farnsworth leave her, because she simply understood him.

He would later return to Mom's company to work on creating actual robots, but back then, robots were stiff moving and not very efficient, however, when he sacrificed fuel efficiency, he succeeded, unfortunately, this robot design also caused global warming. Why he left Mom this time remains unsettled, but it may be because he once realised she was evil.

At a third account, Farnsworth was once again at the company with Mom, where he discovered the secret of Dark Matter, around the time where Mom's sons were born. But when he found out she had left him for Dr. Ogden Wernstrom, he left her once again.

While his relationship with Mom has certainly be his largest, it has not been his only one, during a brief period of gaining youth using stem cells from GeneWorks, S.K.G., he found a girl willing to date him, although she also turned out to have used her tax rebate for a crazy treatment.