Among Dad's jobs there is shark bait, k9 dog force trainer, jetboots tester, and matador.
It is revealed in this episode that Mr. Turner wanted to name Timmy "Bono", as evidenced by the tattoo on his ankle, but Mrs. Turner did not, meaning that Mrs. Turner gave her son the name "Timmy"
This episode has a similar plot for Timmy wanting to spend time with his dad like in .
Who's Your Daddy? Invasion of the Dads is a sequel to this episode.
This is the second episode to feature a character having clones of themselves. The first was " Too Many Timmys!".
The title ("Add-a-Dad") contains only "a"s and "d"s.
- The plot of this episode is almost similar to " The Simpsons Treehouse of Horror XIII" segment, "Send in the Clones", where Homer clones himself with a magic hammock.
- The title card is somewhat similar to the album cover, " Three Days Grace One X" by Three Days Grace.
- The series "Dads of our Lives" spoofs of the name of the TV series.
Days of our Lives - "Planet of the Dads" is a spoof of "Planet of the Apes".
Planet of the Apes - The movie "Jurassic Dad" is a spoof of the film.
Jurassic Park - When It's Raining Men Cosmo added more Dads, one of the dads says "Hallelujah, It's Raining Dads!" which is a clearly reference to the lyric "It's Raining Men! Hallelujah!".
Mr Turner's jetboots failing.
Mr. Turner's phone ringing and going to his job.
Mr. Turner's clones all want to spend time with Timmy.
Mr. Turner's clones saying hi to Timmy.
Cosmo poofing up more Mr. Turner clones when Wanda suggests getting rid of them.
In this episode, Mr. Turner seems to have many jobs, while in other episodes he only has one job as a "pencil pusher" at Pencil Nexus. It is possible he got fired from all his jobs sometime between this episode and Mice-Capades.