And Maggie Makes Three/References

Cultural references

 * At the beginning of the episode, the Simpsons are watching a show called Knightboat: The Crime Solving Boat, a parody of .
 * in Barney's Bowlarama who wants to go to California is a reference to the movie ''.
 * : At the end of the montage of scenes of Homer working at the Barney's Bowlarama, the theme music from MTM plays and Homer sings "I'm gonna make it after all!", similar to the lyrics from the MTM theme song. Homer then tosses a bowling ball into the air, similar to tossing her hat into the air at the end of MTM ' s opening sequence.

Continuity

 * Patty calls Aaron A. Aaronson to tell him about Marge's pregnancy. Aaronson was mentioned by Lisa in "Sideshow Bob Roberts" when she went through the election results.

Goofs

 * When Homer finds out that Marge is pregnant with Lisa, he runs up the stairs, but on the wall you can see a picture of Lisa (or at least someone who looks like her). There is also a picture of Maggie on the wall before Maggie was born.
 * Also, when Homer finds out about Lisa, he was upstairs in the bathroom with Bart when Bart was flushing the keys down the toilet, in "Lisa's First Word".
 * Ruth Powers is at Marge's baby shower despite it being set long before Ruth knew Marge.
 * When Homer and Marge went into their room after the trip to the beach, the bathroom door is suddenly the hallway door, and the next scene in their room is the bathroom again.
 * In the scene where Homer finds out Marge is pregnant with Lisa, Marge and Homer appear to be sitting in their current house despite the fact that in "Lisa's First Word"; we see that the family doesn't move into their current house until after Homer already knew Marge was pregnant.