The flashbacks showed Allison wearing the exact same pearl necklace Jennifer Garner previously wore in 13 Going On 30.
Jenna Ortega plays a 14 year old teenager. She was 17 at the time of filming.
Carlos (Edgar Ramirez) is shown cooking Arepa Pabellón, a staple of Venezuelan cuisine pointing at the character being Venezuelan, like the actor portraying him
Jenna Ortega played young Jane in Jane The Virgin, and Everly Carganilla played baby Jane on the same show (2015).
When they're at the amusement park, Katie asks her Mom (Jennifer Garner) if she wants cotton candy, and she says "no" which is on "Yes Day". This is the first time she says "no" on "Yes Day" but this would not make her lose their deal as this was more a kind suggestion to get a treat rather than a challenge (she did not say "no" to her daughter to have some).