Dexter: Original Sin backdrop

Dexter: Original Sin S1E5 — F Is for Fuck-Up

8.0

Dexter: Original Sin•Season 1•Episode 5

F Is for Fuck-Up

8.0/10 · 6,625 votesJan 5, 202552 min

Ranked #8 of 10 in Season 1•−0.4 vs season avg

After a kill goes wrong, Dexter is grounded by Harry. Deb deepens her relationship with Gio, and bonds with her brother on the anniversary of their mother's death.

Directed byMichael Lehmann

Written byAlexandra Franklin, Marc Muszynski

Previous episodeE4 · Fender Bender Next episodeE6 · The Joy of Killing

Seasons1

Season 1 Episodes10

And in the beginning... still

And in the beginning...

Kid in a Candy Store still

Kid in a Candy Store

Miami Vice still

Miami Vice

Fender Bender still

Fender Bender

F Is for Fuck-Up still

E5 8.0Now viewing

F Is for Fuck-Up

The Joy of Killing still

The Joy of Killing

The Big Bad Body Problem still

The Big Bad Body Problem

Business and Pleasure still

Business and Pleasure

Blood Drive still

Blood Drive

Code Blues still

Code Blues

Cast9

Patrick Gibson

Patrick Gibson

Dexter Morgan

Christian Slater

Christian Slater

Harry Morgan

Molly Brown

Molly Brown

Debra Morgan

Christina Milian

Christina Milian

Maria LaGuerta

James Martinez

James Martinez

Angel Batista

Alex Shimizu

Alex Shimizu

Vince Masuka

Reno Wilson

Reno Wilson

Bobby Watt

Patrick Dempsey

Patrick Dempsey

Aaron Spencer

Michael C. Hall

Michael C. Hall

Dexter's Inner Voice (voice)

Crew5

Michael Lehmann

Michael Lehmann

Director

A

Alexandra Franklin

Writer

M

Marc Muszynski

Writer

E

Edward J. Pei

Director of Photography

K

Katie Ennis

Editor

Discussion

0 comments

Join the conversation

Share your take and reply to other fans.

No comments yet

Be the first to share your thoughts on this episode.

Episode Summary

"F Is for Fuck-Up" is episode 5 of Dexter: Original Sin season 1. It scored 8.0/10 from 6,625 votes, ranking #8 of 10 episodes this season (season average 8.4). Directed by Michael Lehmann and written by Alexandra Franklin, Marc Muszynski, it aired on January 5, 2025.

Next: E6 · The Joy of Killing Best of Season 1