Similarities between Riverdale and Pretty Little Liars

Season 1 of Riverdale

1. Riverdale:
Archie sleeps with his teacher Ms. Grundi
1. PLL:
Aria sleeps with her teacher Mr. Fitz

2. Riverdale:
Jughead lives at the high school for a while.
2. PLL:
Caleb slept at the high school for a while.

3. Riverdale:
Betty's older sister, Polly, gets pregnant.
3.  PLL:
Spencer's older sister, Melissa, gets pregnant.

4. Riverdale:
Polly and Jason went out and then found out they were related.
4.PLL:
Melissa and Jason kissed and found out they were related.

5. Riverdale:
The main characters were trying to solve the murder of Jason blossom.
5.PLL
The main characters were trying to solve the murder of Allison DeLaurentis.

6. Riverdale:
Ronnie's mom has an affair with Archie's dad. And she doesn't know if she should tell.
6.PLL:
Arias dad has an affair with his student. And she doesn't know if she should tell.

7. Riverdale:
Cheryl, Jason sister, was suspected of his murder.
7.PLL:
Jason, Allison's brother, was suspected of her murder.

8. Riverdale:
Jugheads Mom left him and is no longer part of his life.
8.PLL:
Hanna's dad left her and was no longer part of her life.

9.Riverdale:
Polly was locked up in an insane asylum.
9.PLL:
Mona and Cece were locked up in an insane asylum.

10.Riverdale:
Jason's dad tries to frame other people for the murder.
10.PLL:
A tries to frame other people for the suspected murder.

11.Riverdale:
Betty has a moment of split personality where she thinks she is Polly.
11.PLL:
Allison has another identity named Vivian dark bloom.

12.Riverdale:
Jugheads dad is blackmailed into the confession of Jason's murder.
12.PLL:
All the girls are blackmailed into following A's instructions.

13.Riverdale:
The group find the video of Jason's murder.
13.PLL:
The group finds a video of what they think is Ali's murder.

14.Riverdale:
Veronica's mom uses sex or tries to get Veronica to use sex to their advantage.
14.PLL:
Hannah's mom uses sex to their advantage.

15.Riverdale:
Jughead Cheryl and Betty have mental breakdowns.
15.PLL:
Mike, aria's brother, has a minor breakdown.

16. Riverdale:
They live in a small town called Riverdale.
16.PLL:
They live in a small town called Rosewood.

17.Riverdale:
Jason blossom's murder is the talk of the town.
17.PLL:
Allison DeLaurentis' "murder" was the talk of the town.

18:Riverdale:
Cheryl burns down her house.
18.PLL:
Allison burns Jennas house, Jenna gets caught in another burning house, and someone Burnes Jason's house (it is a reoccurring theme.)