Trivia: After chasing the neighbor girl Nia from her hot cocoa stand, Karen said, "And your little dog, too" - equating Karen to the Wicked Witch in "The Wizard of Oz" who said the same to Dorothy regarding Toto. (00:02:15)
Trivia: The voice of the Tin Can Man was provided by Butch Patrick. Butch Patrick played the role of Eddie Munster, the son of Lily and Herman in the 1964 TV show "The Munsters".
Trivia: In France, when Mr. Carson and Lady Maude are in the hat shop, the clerk mistakenly refers to them as being married, which surprises and embarrasses both. This is a movie in-joke regarding actors Jim Carter (Mr. Carson) and Imelda Staunton (Lady Maude), who are married in real-life.
Trivia: Towards the end when young Adam takes the light saber, he jumps and lands saying "super hero landing", as mentioned by Deadpool in his movie played by Ryan Reynolds.
Trivia: When Geppetto's cuckoo clocks first start ringing, the first one features Woody from Toy Story who was voiced by Tom Hanks who plays Geppetto in this film. The second one features Roger and Jessica Rabbit from Who Framed Roger Rabbit - directed by Robert Zemeckis who also directed this film.
Trivia: Spoiler! There is a mid-credits scene with Commander Burnside. He is complimenting his space shield that also zaps giant bugs.
Trivia: Narrating in 1969, Kya said, "How birds sing mostly at dawn because the cool, moist air of morning carries their songs and their meaning much farther." This is no longer the primary view. Some scientific research found their subject sparrows' songs were louder (or just as loud) at noon than during the so-called "Morning Chorus." It appears the "Morning Chorus" might just sound louder because there are fewer other sounds at that time of the morning to drown them out (i.e, it is quieter). (00:37:15)