7.9/10115 votes#1 - Inside the Fish Tank vs. Outside the Fish Tank
Season 1 Episode 1 - Aired 10/28/2023
In hopes of getting discovered as a singer, Seo Mok-ha recruits Jung Ki-ho to film a video. But as terror strikes both of them, they flee for a new life.
Director: Oh Choong-hwan
Writer: Park Hye-ryun
8.4/10108 votes#2 - Coincidence vs. Fate
Season 1 Episode 2 - Aired 10/29/2023
After a fortuitous rescue, Mok-ha reenters society with a little aid from Kang Woo-hak. Later, Mok-ha gets the chance to help her idol, Yoon Ran-joo.
Director: Oh Choong-hwan
Writer: Park Hye-ryun
8.4/1096 votes#3 - Cooler Box vs. Drone
Season 1 Episode 3 - Aired 11/4/2023
Ran-joo gets closer to Mok-ha — even getting her a chance to audition. But when the meeting doesn't go in their favor, Mok-ha devises another idea.
Director: Oh Choong-hwan
Writer: Park Hye-ryun
8.3/1091 votes#4 - 2008 vs. 2022
Season 1 Episode 4 - Aired 11/5/2023
Ran-joo performs on a television program, a singing competition with her past self. Mok-ha tries to get a message out to Ki-ho, hoping he's listening.
Director: Oh Choong-hwan
Writer: Park Hye-ryun
8.7/1076 votes#5 - Regret vs. Pride
Season 1 Episode 5 - Aired 11/11/2023
After Mok-ha's frightening encounter with Ki-ho's father, Woo-hak begins investigating him. Mok-ha and Ran-joo get a chance to share the stage together.
Director: Oh Choong-hwan
Writer: Park Hye-ryun
8.6/1070 votes#6 - Secrets vs. Lies
Season 1 Episode 6 - Aired 11/12/2023
Woo-hak learns the truth about his past from Kang Bo-geol. Mok-ha confronts Eun Mo-rae, the idol she could have been had she not been stranded.
Director: Oh Choong-hwan
Writer: Park Hye-ryun
8.9/1072 votes#7 - Seo Mok-ha vs. Eun Mo-rae
Season 1 Episode 7 - Aired 11/18/2023
During a television program, Ran-joo makes a confession and forces Mok-ha to face off against Mo-rae. A threatening encounter compels Mok-ha to run away.
Director: Oh Choong-hwan
Writer: Park Hye-ryun
8.4/1060 votes#8 - First Fan vs. First Fan
Season 1 Episode 8 - Aired 11/19/2023
Bo-geol and Woo-hak retreive Mok-ha and take her on a camping trip with their family. Mok-ha tries to track down Ran-joo to make up for a mistake.
Director: Oh Choong-hwan
Writer: Park Hye-ryun
8.8/1057 votes#9 - Consolation vs. Resolution
Season 1 Episode 9 - Aired 11/25/2023
Feeling the imminent threat of his father, Bo-geol confronts him first. After a tense exchange with Ran-joo, Mok-ha signs with RJ Entertainment.
Director: Oh Choong-hwan
Writer: Park Hye-ryun
8.6/1057 votes#10 - Answers vs. Risks
Season 1 Episode 10 - Aired 11/26/2023
A scary encounter with Jung Bong-wan leads to Bo-geol's family getting bad press. Ran-joo asks Mok-ha to make a hard choice about her career.
Director: Oh Choong-hwan
Writer: Park Hye-ryun
9.2/1062 votes#11 - Giver vs. Taker
Season 1 Episode 11 - Aired 12/2/2023
Ran-joo and Mok-ha receive negative press after meeting with reporters. The Kang family interviews with the prosecutor in their case against Bong-wan.
Director: Oh Choong-hwan
Writer: Park Hye-ryun
9.2/1058 votes#12 - Coincidence vs. Fate
Season 1 Episode 12 - Aired 12/3/2023
Bong-wan executes his final attack on the Kang family. Mok-ha prepares to release her debut song — marking the beginning of her singing career.
Director: Oh Choong-hwan
Writer: Park Hye-ryun
The Best Episodes of Castaway Diva Season 1
Every episode of Castaway Diva Season 1 ranked from best to worst. Discover the Best Episodes of Castaway Diva Season 1!
Fifteen years after being stranded on a remote island, an aspiring singer reenters society — stopping at nothing to pursue her dream of becoming a...
Genres:ComedyDrama
Network:tvN
Season 1 Ratings Summary
"Inside the Fish Tank vs. Outside the Fish Tank" is the best rated episode of "Castaway Diva" season 1. It scored 7.9/10 based on 115 votes. Directed by Oh Choong-hwan and written by Park Hye-ryun, it aired on 10/28/2023. This episode is rated 0.5 points higher than the second-best, "Coincidence vs. Fate".