Chromosome 21 S1E3 — Happy Birthday
5.8
Chromosome 21•Season 1•Episode 3

Happy Birthday

5.8/10 · 13 votesOct 28, 202253 min

Ranked #7 of 8 in Season 1•−0.6 vs season avg

Discussion

Mariana finds a creative way to get Tommy to talk, and ends up facing some of the trauma from her past. Another piece of the puzzle is found.

Seasons1

Season 1 Episodes8

Cast8

Valentina Muhr

Valentina Muhr

Mariana Enríquez

Mario Horton

Mario Horton

Bruno Durán

S

Sebastián Solorza

Tomás 'Tomy' Ruiz

Gastón Salgado

Gastón Salgado

Guillermo 'Bekam' Ruiz

Claudia di Girólamo

Claudia di Girólamo

Sofía Lombardi

P

Pía Urrutia

Cristina Pérez

Daniel Muñoz

Daniel Muñoz

Ariel 'Coya' Zavala

Alejandro Trejo

Alejandro Trejo

Rafael Santoro

Crew5

Emilia Noguera

Emilia Noguera

Writer

M

Matías Venables

Director

P

Pablo Toro

Writer

V

Vladimir Rivera

Writer

M

Matías Venables

Writer

Discussion

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Episode Summary

"Happy Birthday" is episode 3 of Chromosome 21 season 1. It scored 5.8/10 from 13 votes, ranking #7 of 8 episodes this season (season average 6.4). Directed by Matías Venables and written by Emilia Noguera, Pablo Toro, Vladimir Rivera, Matías Venables, it aired on October 28, 2022.