About two minutes into the episode, when Clark and Tess find Conner lifting the tractor in the air, Conner says, "Hey Tess, check it out" but his mouth doesn't move until the last word.
When Conner abducts Lois for love and prepares to kill her, Lois says that Clark never did anything like that under the effects of red kryptonite. However, in "Crimson", Clark abducted Lana for love and strangled Lex with the seeming intent of killing him.
Lionel: Give me my son.
Tess: I'm surprised you are so hellbent on this family reunion, given the fact that in this world, it was Lex that sent Lionel plummeting to his death.
Lionel: That's proof that the Lex you knew was a true Luthor.
Clark: I'm like you.
Conner: So does this mean... oh my God, are you like my dad?
Clark: I prefer brother.
Clark: Conner has... he's only half Lex, it turns out.
Lois: What? Okay, if you say the other half is Tess, I'm going to officially write that family off for good.
Clark: Lois, the other half is me.
Lois: Are you trying to tell me that Conner is the genetic love-child of Clark Kent and Lex Luthor?
Clark: You don't have to say it like that.
Clark: It's just sometime I forget you never saw what it was like. Growing up, being different, feeling like an outsider, a freak. Like you were all alone.
Lois: You turned out pretty normal.
Clark: Lois, you don't understand. It never goes away. It's always in there. The only thing that's ever made me feel... normal is you.
Conner: Who taught you how to do all this stuff?
Clark: My parents were there very step of the way. My dad, he believed that all the hard work he had me do, would teach me how to control my abilities. Teach me character. Conner, you may not have parents, but you have me. I'll always be there for you.
Conner: I'll open up a world Clark can't even imagine for you.
Lois: Clark is my world!
Lionel: Why don't you have me killed?
Tess: Because that's not who I am.
Conner: I'm not like you, Clark. I mean, maybe on the outside with what I can do. But what that ring brought out in me, that was all Lex.
Clark: There's a shadow inside of all of us. But that doesn't mean that you need to embrace it. You decide who you really are. And I know you'll make the right choice and become the hero you're destined to be.
John Glover is credited as Special Guest Star.
Justin Hartley is credited but doesn't appear. Lexa Doig is credited as a guest star and her character Dr. Lamell is mentioned, but never seen in the aired episode.
Sweden: July 8, 2011 on TV6
UK: September 20, 2011 on E4/E4 HD
Norway: November 19, 2011 on Max
Turkey: January 8, 2012 on CNBC-e
Tess: I'm saving him from an encore performance of Daddy Dearest.
Referencing the 1978 expose of Hollywood star Joan Crawford titled Mommy Dearest. The tell-all is written by Joan's daughter Christine, and she claims that her mother is a dominating parent who engages in child abuse. It was adapted into a movie in 1981, with the more dramatic moments overacted to the point where the movie was often hailed as a camp classic.
Lois: Now hold on, Chicken Little.
Referencing the Aesop's Fable of The Sky is Falling, with Chicken Little. In the original, Chicken Little is hit in the head by a falling acorn, thinks the sky is falling, and goes to warn the king, gathering his friends along the way. It has since been told in many different variations in books, movies, and TV.
Lois: I feel like I stepped into a Tom Clancy novel.
Referencing the American author famed for his espionage and techno-thriller novels. Many of his novels feature characters Jack Ryan, a CIA analyst, and/or John Clark, a field operative. A number of Clancy's novels have been adapted into movies, including The Hunt for Red October, Patriot Games, and Clear and Present Danger.
Lois: He'd give Lazarus a run for his money.
Referencing the miracle recounted in the Bible (John 11:1-44) in which Jesus brings Lazarus, a follower who was dead for four days, back to life.
Lois: We have to call Clark and tell him Don Luthor is going all Godfather on us.
Referencing the 1972 movie based on Mario Puzo's novel The Godfather (1969), which chronicles the trials and tribulations of the Corleone family as they battle the other New York City Mafia families for control of the crime empire. The movie spawned two sequels, in 1974 and 1990, and appears on numerous "Best Movie" lists.
Lois: Thanks, but I think you've got the wrong idea, Romeo. This Juliet is already spoken for.
Referencing the play by William Shakespeare, based on the Italian story The Tragical History of Romeus and Juliet. Romeo Montague and Juliet Capulet are young lovers who families are at odds with each other. The story represents love in the face of adversity, particularly doomed love since Romeo and Juliet die in the final scenes.