Episode 1
Aired Mar 23, 2015
We're Back!
Cate and Tyler learn they are pregnant, spurring Cate to seek marriage; Maci struggles to co-parent with Ryan; Amber falls for Gary's flirting, but is sad to learn he went on a family vacation with his new girlfriend.
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Episode 2
Aired Mar 30, 2015
Back to School
Cate and Tyler plan a party to reveal the baby's gender; Maci has a hard time with Bentley starting kindergarten; Gary invites Amber to be a part of Leah's first day of school.
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Episode 3
Aired Apr 6, 2015
Old Wounds
Tyler posts a video of Carly on their fan page, upsetting Brandon and Teresa; Maci tries to communicate with Ryan; Amber is hurt by Gary's refusal to let Leah spend the night.
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Episode 4
Aired Apr 13, 2015
New Kids on the Block
Cate learns that Brandon and Teresa want to discuss adoption issues; Maci reveals that she and Taylor are expecting; Amber discovers that Gary and Kristina are having a baby.
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Episode 5
Aired Apr 20, 2015
Surprise Surprise
Cate and Tyler meet with Brandon and Teresa; Maci informs Ryan she is having a baby; Amber confronts Gary; Farrah is hurt by her exclusion.
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Episode 6
Aired Apr 27, 2015
The F Bomb
Cate learns she has gestational diabetes; Farrah has a hard time with her mother's visit; Amber reveals her relationship with her boyfriend; Maci quits the show.
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Episode 7
Aired May 4, 2015
First Time for Everything
Maci agrees to return to the series, but has conditions regarding Bentley; Catelynn and Tyler struggle with parenthood; Farrah introduces her mother to Simon.
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Episode 8
Aired May 11, 2015
Mom vs. Mom
The mothers do press for the show in New York; Farrah learns that Maci quit the show because of her; tension rises.
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Episode 9
Aired May 18, 2015
Boiling Point
Tyler pressures Cate to lose weight; things come to a head for Amber and Matt in Las Vegas; Maci is concerned for Bentley's safety; Debra tries to go into business with Farrah.
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Episode 10
Aired May 25, 2015
Let's Face It
Amber's family questions Matt's intentions; Catelynn leaves Nova under April's care; Maci and Taylor locate their dream home; Simon meets Sophia, while Farrah pressures him for an engagement.
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Episode 11
Aired Jun 1, 2015
Reunion Part 1
Dr. Drew and the cast discuss the show; Maci talks about her decision to remove Bentley from the show; Amber and Matt discuss the age difference.
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Episode 12
Aired Jun 8, 2015
OG Finale Special: Check-Up With Dr. Drew - Part Two
Catelynn has an adorable surprise for Teresa; Farrah discusses the drama that surrounded her return to the show; the four mothers discuss the conflicts between them.
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Episode 13
Aired Jun 15, 2015
OG: Unseen Moments
Dr. Drew and the girls take a look at never-before-seen footage and share the behind-the-scenes secrets from "Teen Mom."
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Episode 14
Aired Jan 4, 2016
Why Can't We Just Get Along
Farrah's relationship with Simon is over; Amber asks Gary for joint custody; Maci invites Ryan to hang out; Tyler's father is released from prison.
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Episode 15
Aired Jan 4, 2016
Playing for Keeps
Farrah asks her mother to watch Sophia for a month; Amber is blindsided by Leah's wishes; Maci does not want Bentley at Ryan's parents' house.
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Episode 16
Aired Jan 11, 2016
Party Down
Farrah gets kicked out of a party; Amber struggles with Gary's new visitation schedule; Catelynn and Tyler have their parties; Maci is frustrated with Taylor.
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Episode 17
Aired Jan 18, 2016
Never Say Goodbye
Farrah has a hard time taking Sophia to visit Derek's family; Ryan is annoyed about the amount of control Maci has over Bentley; Catelynn deals with anxiety.
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Episode 18
Aired Jan 25, 2016
The Big Day
Catelynn and Tyler tie the knot; Maci and Taylor buy an online t-shirt business; Amber and Matt decide to flip houses; Farrah and Debra argue.
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Episode 19
Aired Feb 1, 2016
Skeletons in the Closet
Before leaving on a month-long business trip, Farrah has a last-minute change of heart on who should watch Sophia; Maci and Ryan celebrate Bentley's birthday; Catelynn has post-wedding depression.
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Episode 20
Aired Feb 8, 2016
Forgive & Forget
Farrah returns from her business trip; Maci and Ryan celebrate Halloween as a family; Catelynn and Tyler have a honeymoon in Hawaii.
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Episode 21
Aired Feb 15, 2016
Honeymoon Is Over
Simon comes back into Farrah's life; Butch starts dating; Maci is overwhelmed; Amber wants to take Leah on a trip.
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Episode 22
Aired Feb 22, 2016
Walk Away
Maci is surprised that Ryan is stepping up as a father; Cate and Tyler celebrate Nova's first birthday; Amber and Gary work out their custody battle.
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Episode 23
Aired Feb 23, 2016
Taking Chances
Farrah and Simon take their relationship to the next level; Maci says she does all the work for Taylor's t-shirt business while Ryan plans a big move; Catelynn deals with postpartum depression.
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Episode 24
Aired Feb 29, 2016
OG Special: Check up With Dr. Drew, Part 1
Dr. Drew sits down with Maci and Farrah to dig deeper into the emotional journeys they traveled this season, from Maci's joy that she and Ryan can finally co-parent, to Farrah's romance with Simon.
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Episode 25
Aired Mar 7, 2016
OG Special: Check up With Dr. Drew, Part 2
Catelynn breaks down while discussing her depression; Tyler and Butch open up about their childhoods; Amber and Matt confront Gary over exposing Matt's child support cases.
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Episode 26
Aired Mar 14, 2016
Teen Mom OG: Unseen Moments
Nessa and the women review footage and share stories that did not make it to air.
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