Due to Gary getting injured on her watch, the duo's rich parents ground Sam before leaving the siblings home alone in the movie so she can start pursuing a more adult persona that might impress Billy.

While Gary, Jack, and Miles secretly spy on the festivities using a drone camera, Billy and his friends intentionally trash the house.

Gary, Jack, and Miles interrupt the party by hijacking the TV to broadcast a message calling out Sam for changing her personality to appeal to Billy.

Once the coast is clear, Sam dons a scuba suit that she uses to swim underwater to the alien spaceship submerged in the lake behind her house.

Acting on a suggestion from Jack, Miles lights a fireworks rig that the friends built for their film's grand finale.

Unexpectedly, the soldiers then retrieve the sword, take the kids captive, and transport them to a secret location where they are put in stasis, until another spaceship arrives.

It was also reported that Dominic Mariche, Calem MacDonald, Phoebe Rex, Asher Grayson, Ben Tector, Emma Vickers and Isaiah Fortune would all star in the film.

The website's consensus reads: "Kids vs. Aliens occasionally comes close to offering the goofy fun promised by the title, although the end result is ultimately rather forgettable.

[8] Noel Murray of the Los Angeles Times wrote, "while the script... is weak, there is an endearingly scruffy vibe here, goosed by some cool-looking costumes and effects.

And there's a legitimate underdog edge, as Eisener and Davies capture how it feels to be underestimated and overmatched but full of can-do pluck.

"[12] Sandie Angulo Chen of Common Sense Media gave it 2/5 stars, saying it was "somewhat promising at first, but the dialogue is so reliant on coarse language that it stops being novel by the 50th use of "effing" in the first 15 minutes...

"[13] In September 2022, Eisener expressed interest in developing additional Kids vs. Aliens movies, while confirming that their realization were dependent on the reception of the first film.