- Actor Allusion: It's not the first time Mike Vogel's played a character whose last name was a woman's name.
- Dean Norris once again finds himself involved with a notorious drug ring.
- Marg Helgenberger plays a character in a Stephen King film adaptation about a town being haunted by a mysterious alien force, just like 20 years ago.
- Disowned Adaptation: If this tweet is any indication, Stephen King does not approve of how the TV series turned out:
- "How about Netflix bringing back UNDER THE DOME, only starting from scratch and actually doing the book?"
- Fake American: Rebecca Pine is played by English actress Karla Crome, while Rachelle Lefevre and Kylie Bunbury (Julia and Ava) are Canadian.
- Fan Nickname: The Television Without Pity forums tend to refer to Junior as "Evil Andy Samberg".
Trivia / Under the Dome