|No. of Episodes:||18|
|No. of Specials:||TBA|
|Originally Aired:||January 14, 2019|
|Premiere:||"Dot Dot Dot"|
|Cast:|| Jenelle Eason |
|Seasons||1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9|
The ninth season of Teen Mom 2 was confirmed on June 22, 2018.
- Filming Leah's segment began on July 10, 2018.
- On August 13, 2018, Jenelle has officially signed on to star in the season. Jace’s father Andrew Lewis is also set to make a appearance.
- On August 23, 2018, Jo Rivera and Vee Torres have signed on for Season 9.
- Layne Ettie DeBoer was born on August 29, 2018.
- On November 21, 2018, the season was extended for 6 more episodes, totaling 18 episodes.
- Jenelle Eason, mother of Jace, Kaiser and Ensley
- Chelsea DeBoer, mother of Aubree, Watson and Layne
- Kailyn Lowry, mother of Isaac, Lincoln and Lux
- Leah Messer, mother of Aliannah, Aleeah, and Adalynn
- Briana DeJesus, mother of Nova and Stella
|No. in series||No. in season||Image||Title||Original air date|| U.S. viewers|
|142||1||Dot Dot Dot||January 14, 2019||1.18|
|Leah has a new boyfriend, Jenelle and Nathan square off, Chelsea gets disappointing news, Briana makes a big decision, and Kailyn sees Javi's pregnant girlfriend in person.|
|143||2||Reconnect||January 21, 2019||1.13|
|Jenelle is upset when Jace's father unexpectedly reaches out, Chelsea wonders if Adam can get it together for visitations with Aubree, and Isaac visits Javi's house.|
|144||3||Hurricane||January 28, 2019||1.14|
|Jenelle makes a shocking call to 911, Kailyn considers reconnecting with her mother, and Chelsea checks into the hospital after experiencing signs of early labor.|
|145||4||Don't Wanna Go Home||February 4, 2019||1.10|
|Jenelle refuses to appear on camera after her 911 tape leaks, Leah takes Ali to a vital doctor's appointment, Kailyn reconnects with her sister, and Briana visits a new beau.|
|146||5||Shutting Down||February 11, 2019||TBD|
|147||6||Cry It Out||February 18, 2019||TBD|
|148||7||Surprise!||February 25, 2019||TBD|
- To be added.
- After being fired last season, David Eason will not return this season.
- This season introduces Layne DeBoer, as well as Leah and Briana’s new boyfriends: Jason Jordan and Johnny Rodriguez, and Javi's girlfriend Lauren Comeau.
- ↑ 
- ↑ 'WE'RE BACK!' LEAH MESSER IS FILMING THE NEWEST 'TEEN MOM 2' SEASON
- ↑ EXCLUSIVE! Jenelle Evans Has Officially Signed on to Star on ‘Teen Mom 2’ Season 9: Get All the Details!
- ↑ EXCLUSIVE! Jo Rivera & Vee Torres Have Signed On For ‘Teen Mom 2’ Season 9 Despite Initial Claims They Were Leaving the Show
- ↑ 
- ↑ Monday cable ratings: WWE is champion, ‘Love & Hip Hop’ holds
- ↑ Monday cable ratings: NBA and WWE battle for the top slot
- ↑ Monday cable ratings: WWE wrangles the top slot, ‘Cartel Crew’ slips
- ↑ Monday cable ratings: ‘Monday Night Raw’ is king, ‘Kid’s Baking Championship’ holds