A meta who can shrink anything he touches battles Team Flash. Cisco and Ralph get caught in his crossfire and are shrunk to miniature versions of themselves. Cecile realizes her pregnancy has caused her to have temporary powers and discovers she can hear other people’s thoughts, which unnerves Joe. Meanwhile, Barry meets someone with a mysterious connection to Henry Allen.
- The title is a reference to the 1989 film Honey, I Shrunk the Kids, and its succeeding franchise.
- While in prison, Big Sir told Barry that hope is a deadly thing to which Barry asked if he quoted it from the 1994 crime-drama The Shawshank Redemption. Although, the original line was "Hope is a good thing."
- Mayor Van Buren, discussing the new technology that Kord Industries has, states that the lasers won't be frozen, a reference to the second season episode "", when Leonard Snart freezes lasers to get to diamonds.
- In a continuity error, Barry noted his dad was falsely imprisoned for 17 years however in The Man Who Saved Central City he got exonerated sometime in late November 2015 meaning Henry spent 15 years and 8 months in Iron Heights.
- In a synopsis error, it is mentioned that Barry was supposed to meet Big Sir this episode, however he met him the previous episode.
- In the beginning of the episode, Cisco wears a t-shirt based on Total Lunar Eclipse, which happened the day after its airdate.
- When Wells says that he needs to "enbigger" Cisco and Ralph, it's a reference to Ms. Marvel (Kamala Khan), a superhero from Marvel Comics. Kamala often says "Enbigger!" when using her shapeshifting powers.
- After the guy had shrunk the Kord Building, he casually walked over and picked up the building, the thing is that, although the building had shrunk, the mass/weight of the building would be the same, so it would be impossible for whoever shrunk the building to pick up the building and carry it away.
- ↑ The Flash - The Flash - Episode 4.12 - Honey, I Shrunk Team Flash - Promos, Inside The Episode, Promotional Photos & Press Release - Spoiler TV
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