The Mentalist backdrop
The Mentalist S2E21 — 18-5-4
7.8
The Mentalist•Season 2•Episode 21

18-5-4

7.8/10 · 3,012 votesMay 6, 201043 min

Ranked #14 of 23 in Season 2•−0.1 vs season avg

Discussion

Patrick Jane and the CBI team investigate the death of a mathematical genius by a gun-wielding clown.

Directed byCharles Beeson
Written byKen Woodruff, Leonard Dick
Previous episodeE20 · Red All OverNext episodeE22 · Red Letter
BestEpisodes
WorstEpisodes
BestSeasons
AllEpisodes

Seasons7

All1234567

Season 2 Episodes23

Redemption stillE1 7.8

Redemption

The Scarlet Letter stillE2 7.7

The Scarlet Letter

Red Badge stillE3 8.6

Red Badge

Red Menace stillE4 7.5

Red Menace

Red Scare stillE5 7.9

Red Scare

Black Gold and Red Blood stillE6 8.4

Black Gold and Red Blood

Red Bulls stillE7 8.2

Red Bulls

His Red Right Hand stillE8 9.2

His Red Right Hand

A Price Above Rubies stillE9 7.4

A Price Above Rubies

Throwing Fire stillE10 7.4

Throwing Fire

Rose-Colored Glasses stillE11 7.9

Rose-Colored Glasses

Bleeding Heart stillE12 7.7

Bleeding Heart

Redline stillE13 8.1

Redline

Blood In, Blood Out stillE14 7.9

Blood In, Blood Out

Red Herring stillE15 7.4

Red Herring

Code Red stillE16 8.2

Code Red

The Red Box stillE17 7.5

The Red Box

Aingavite Baa stillE18 7.5

Aingavite Baa

Blood Money stillE19 8.2

Blood Money

Red All Over stillE20 7.9

Red All Over

18-5-4 stillE21 7.8Now viewing

18-5-4

Red Letter stillE22 7.6

Red Letter

Red Sky in the Morning stillE23 8.7

Red Sky in the Morning

Cast5

Simon Baker

Simon Baker

Patrick Jane

Robin Tunney

Robin Tunney

Teresa Lisbon

Tim Kang

Tim Kang

Kimball Cho

Amanda Righetti

Amanda Righetti

Grace Van Pelt

Owain Yeoman

Owain Yeoman

Wayne Rigsby

Crew6

C

Charles Beeson

Director

K

Ken Woodruff

Writer

L

Leonard Dick

Writer

C

Christopher Cibelli

Editor

D

Denise Fischer

Key Makeup Artist

G

Geary McLeod

Director of Photography

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

"18-5-4" is episode 21 of The Mentalist season 2. It scored 7.8/10 from 3,012 votes, ranking #14 of 23 episodes this season (season average 7.9). Directed by Charles Beeson and written by Ken Woodruff, Leonard Dick, it aired on May 6, 2010.

Next: E22 · Red LetterBest of Season 2