This page is a detailed summary of Caleb Rivers throughout Season 4 of Pretty Little Liars.
Season 4[]
Cat's Cradle[]
Sitting on the steps of the church, Hanna and Caleb discuss him being back from his trip to see his dad. Hanna asks him how it went, and he says that he told his dad he was sorry for accusing him of taking the bell from the church because they found out someone from the foundry did it. Things seem to be OK between them. Hanna seems upset and Caleb knows why, and he tells her that people know her mom didn't kill Wilden. Hanna says "A" will make her look guilty, and they plan to find a way to prove that Ms. Marin was really in New York at the time of his death. To Ashley with a potential problem, he goes to her ex-husband to ask him to help her.
Face Time[]
Outside the school, Caleb and Hanna talk. Caleb tells Hanna about the missing gun from Tom Marin's drawer, saying that it was a .38. He says that if the police find out that Darren Wilden was shot with a .38, it is most likely that Ashley killed Wilden. Caleb also manages to pull Hanna away from Lt. Linda Tanner and warns her that the state police are the "real deal," unlike the Rosewood PD. At Hanna’s house, Hanna lies about her not being home and Lt. Tanner questions why her car is there, Caleb lies he was the one who drove her car, and two cops leave. Ashley looks down from upstairs and turns away while Caleb and Hanna hug.
Gamma Zeta Die![]
Hanna mentions that Caleb is away camping with his dad.
Under The Gun[]
Caleb rings the doorbell to see Hanna just as her and her mother kick out Tom.
Crash and Burn, Girl![]
Caleb is over at Toby's place. They've put all the information they have about the night of the fire at the Lodge up on a board and are preparing to investigate every lead. Eventually, the two make their way to Howell Acres Flight Center to get more information. Toby and Caleb make up a story and question Nigel Wright. Caleb slips him 40 bucks to show them the flight information. It shows the pilot is named John Smith, leading them to believe it is forged information. Back at Toby's place, they speculate Nigel may have been at the Lodge that night. They return to the flight center to confront Nigel. He says he was paid to fake a flight plan, he wasn't at Thornhill, and after some more prodding, he gives up the name of the person who paid him - CeCe Drake. Nigel runs away, but not before Caleb lifts his phone from his pocket.
The Guilty Girl's Handbook[]
Caleb visits Ashley in jail. Ashley thanks Caleb for coming. She tells him that she's worried about Hanna, and Caleb says that Hanna's worried about her. Ashley knows that Hanna is angry and wants Caleb to make sure that Hanna doesn't do anything stupid. She thinks that Hanna will listen to Caleb. He says he'll do what he can, and she thanks him. As they take Ashley away, Caleb tells her that Hanna loves her and would do anything for her. Caleb shows up at Hanna's back door. He questions why Mona's here, and Hanna lies and says that she's here to help her deal with her mom being away. Caleb doesn't seem to believe this. Back at Hanna's house, Caleb is trying to talk some sense into Hanna. He thinks Hanna's idea of confessing to Wilden's murder is crazy. They argue as Caleb tries to convince her it was a terrible plan to begin with. Hanna gets a text about Mona confessing. She shows it to Caleb. They go to the police station. They see Mona sitting in an interrogation room.
The Mirror Has Three Faces[]
Caleb tells Hanna that he tracked down an unpaid cable bill that was sent to the P.O. box in Philadelphia linked with Nigel Wright. The bill is attached to a physical address there, where CeCe may or may not be living. Caleb visits Hanna, and asks if she wants to check out the address in Philly, but she asks if Caleb can help her sneak into Radley. Caleb refuses and they argue about whether Mona is trustworthy or not. Caleb reminds her of everything "A" has done. He thinks she should tell the police about "A" once and for all because it can't get any worse at this point. Caleb runs into Hanna on the street, and asks what he was doing going into Veronica's office building. He says he doesn't know how to protect her anymore. Hanna asks "So you were going to tell her?!" He replies yes. He would rather have Hanna hate him and be safe than the other way around, to which she asks if he thinks telling her about "A" will keep her safe.
Bring Down the Hoe[]
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Caleb approaches Hanna at her locker and she tells him she is going shopping with Ali's mom that afternoon. He thinks it's strange, but lets it go and asks what time he should pick her up for the dance. Hanna says they don't have to go, but Caleb informs her that Ashley texted him earlier insisting they go and have fun. Hanna and Caleb arrive at the hoedown, and when Caleb steps away, Hanna is approached by the strange boy, who asks to dance with her. Caleb is weary to trust Travis, but Hanna says that she has to and then she sees Travis leave the hoedown.
Now You See Me, Now You Don't[]
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Hanna and Caleb go to the police station. Caleb sits with Ashley and she thanks Caleb for being there for Hanna. Caleb says that Hanna is a strong girl, and she gets it from Ashley. The district attorney arrives and breaks the news that they are clearing all charges against Ashley, and Caleb nods a thank you to Travis. Later, Caleb stops by and they watch the news where CeCe is wanted for questioning about the murder of Wilden. They are now all convinced that CeCe did, in fact, kill Wilden. Caleb notes that someone has to recognize her. Hanna and Caleb sit in their car outside Mona’s house in case Mona arrives. Caleb still doesn’t trust her and says that if Mona is in trouble, it isn’t Hanna’s fault. Toby and Caleb wait outside Mona’s house, noting that her parents are out of town. Caleb goes home while Toby stays. The girls call Caleb for help, who says that he will get on the next bus to Ravenswood.
Grave New World[]
Caleb sits on the bus headed for Ravenswood. He is alone except for a mysterious man sitting at the back of the bus and a girl sitting next to him. They make small talk, and she introduces herself as Miranda. She is on her way to Ravenswood as well, and explains that she has been a foster child for most of her life, and she is going to Ravenswood to meet her uncle for the very first time. Caleb mentions that he is a foster child as well. Caleb and Miranda arrive in Ravenswood and say farewell at the graveyard, They again when Miranda and Hanna finally find their way out of the house and go to the graveyard where Caleb was. Caleb finds them, and Hanna tells Caleb that she thinks "A" may have Ali. She leads both of them to the tomb where the entrance to the tunnels was, but it is sealed shut. Miranda, meanwhile, finds a gravestone with her name and face on it, and she is baffled. After rejoining the Lairs, Hanna tells Caleb to stay with Miranda to make sure she stays safe. They kiss and bid farewell.
Who's In The Box?[]
Caleb, who has just returned from his stay in Ravenswood, walks into the Brew, surprising Hanna. The two embrace and discuss why he has returned. He tells her that things with Miranda and her family are more complicated than he had realized. He tells her that he can’t say what happened in Ravenswood, but he made promises to some people there that he needs to keep. He tells her that he needs to go back there. Hanna protests and asks if it is because of Miranda. Caleb says that it isn’t like that, but Miranda needs her. He says he can’t tell her what really happened. He walks out of the house. Outside, as Caleb walks to his car. They say farewell to one another and part, and Caleb is seen crying at his steering wheel.