Mystery Science Theater 3000

Mystery Science Theater 3000 (1989 – 1999)

1989 • 10 seasons • Comedy, Sci-Fi & Fantasy • TV-14

On August 11, 2026

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Episode 170 — Mr. B Natural

Season 0 • Mystery Science Theater 3000

Released: 2007-07-03 • Comedy/Sci-Fi & Fantasy

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In this MST3K short from 1957, a high-energy musical sprite informs a youth named Buzz that joining the school band will improve his confidence and make him more friends. Knew your father, I did! (As seen in Experiment 66, "War of the Colossal Beast.")

Where to Stream Episode 170

Season 0 · Episode 170 · Streaming in USA

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Episodes

Episode 1
The Green Slime (pilot)

Episode 2
Invaders from the Deep
1988-11-24

Episode 3
Revenge of the Mysterons from Mars
1988-11-24

Episode 4
Star Force: Fugitive Alien II
1988-11-27

Episode 5
Gamera vs. Barugon
1988-12-04

Episode 6
Gamera
1988-12-11

Episode 7
Gamera vs. Gaos
1988-12-18

Episode 8
Gamera vs. Zigra
1988-12-31

Episode 9
Gamera vs. Guiron
1989-01-08

Episode 10
Phase IV
1989-01-15

Episode 11
Cosmic Princess
1989-01-22

Episode 12
Humanoid Woman
1989-01-29

Episode 13
Fugitive Alien
1989-02-05

Episode 14
SST Death Flight
1989-02-19

Episode 15
Mighty Jack
1989-03-05

Episode 16
Superdome
1989-03-12

Episode 17
City on Fire
1989-03-19

Episode 18
Time of the Apes
1989-04-02

Episode 19
The Million Eyes of Sumuru
1989-05-07

Episode 20
Hangar 18
1989-05-14

Episode 21
The Last Chase
1989-05-21

Episode 22
Legend of the Dinosaurs
1989-05-21

Episode 23
Mystery Science Theater 3000: The Movie
1996-04-19

Episode 27
The Sidehackers (Outtakes)
2003-04-08

Episode 28
The Atomic Brain (Outtakes)
2003-04-08

Episode 29
The Unearthly (Outtakes)
2003-04-08

Episode 30
Interview with Mike Nelson & Kevin Murphy
2004-03-09

Episode 31
The Touch of Satan Trailer
2004-03-09

Episode 32
The Touch Of Satan Introduction
2004-03-09

Episode 33
Time Chasers Introduction

Episode 34
Merlin's Shop Of Mystical Wonders Introduction

Episode 35
The Legend Of Boggy Creek 2 Introduction

Episode 36
MST3K Scrapbook Scraps 1: Glimpses of KTMA

Episode 37
The Robot vs The Aztec Mummy Promos

Episode 38
MST3K Scrapbook Scraps 2

Episode 39
Zombie Nightmare = MST3K Dream

Episode 40
Hamlet A.D.D. Promo

Episode 41
Racket Girls Trailer

Episode 42
Assignment: Venezuela
1996-10-01

Episode 43
Century 21 Calling...
1998-06-13

Episode 44
A Case Of Spring Fever
1999-08-01

Episode 45
Poopie!
1995-11-23

Episode 46
Mad Monster Trailer

Episode 47
Interview with Soultaker star Joe Estevez

Episode 48
Interview with Final Justice writer/producer/director Greydon Clark

Episode 49
Cheap Seats Without Ron Parker

Episode 50
The Crawling Eye Introduction

Episode 51
The Crawling Eye Trailer

Episode 52
The Main Event: Crow vs Crow

Episode 53
Mystery Science Theater Hour Wraps

Episode 54
The Beatniks Trailer

Episode 55
MST3K: The Musical

Episode 56
Interview with Final Sacrifice star Bruce J. Mitchell

Episode 57
The Corpse Vanishes Trailer

Episode 58
Interview with Warrior Of The Lost World director David Worth

Episode 59
Narrated Stills Gallery from Warrior Of The Lost World

Episode 60
Santa Claus Conquers The Devil: A 50 Year Retrospective

Episode 61
Santa Claus Theatrical Trailer

Episode 62
Santa Claus - Making The Episode: Gift Exchange

Episode 63
Santa Claus - Making The Episode: The Songs

Episode 64
Turkey Day '95 Intros

Episode 65
Night Of The Blood Beast Trailer

Episode 66
Blood Waters Of Doctor Z Trailer

Episode 67
Blood Waters Of Doctor Z Promo #1

Episode 68
Blood Waters Of Doctor Z Promo #2

Episode 69
Blood Waters Of Doctor Z Promo #3

Episode 70
PSX Underground
1998-01-20

Episode 71
SF Vortex
1997-01-24

Episode 72
CBS Saturday Morning News

Episode 73
World News

Episode 74
Host Segment Outtakes

Episode 75
MTV Week in Rock

Episode 76
1st Annual Summer Blockbuster Review
1997-09-02

Episode 77
The Making of MST3K
1997-08-01

Episode 78
Movie Deleted Scenes

Episode 79
2nd Annual Summer Blockbuster Review
1998-09-04

Episode 80
The History of MST3K (Part 1)

Episode 81
The History of MST3K (Part 2)

Episode 82
The History of MST3K (Part 3)

Episode 83
The Day the World Ended
1997-01-25

Episode 84
This is MST3K!
1992-11-14

Episode 85
Turkey Day '92
1992-11-19

Episode 86
The Little Gold Statue Award Preview Show
1995-03-22

Episode 87
Poopie Parade of Values
1995-11-23

Episode 88
Night of the Blood Beast - Turkey Day '95 Edition
1995-11-23

Episode 89
Academy of Robots Choice Awards Preview Show
1998-03-19

Episode 90
The Home Game
1997-02-25

Episode 91
Turkey Day '91
1991-11-28

Episode 92
Turkey Day '92 Extras
1992-11-19

Episode 93
Turkey Day '93
1993-11-24

Episode 94
Turkey Day '94
1994-11-23

Episode 95
Turkey Day '95 Extras
1995-11-20

Episode 96
Space Mutiny Introduction

Episode 97
Mystery Science Theater Hour Wraps for Tormented

Episode 98
Tormented Interview

Episode 99
Horrors Of Spider Island Trailer

Episode 100
Mystery Science Theater Hour Wraps for Secret Agent Super Dragon

Episode 101
Secret Agent Super Dragon Trailer

Episode 102
The Rebel Set Trailer

Episode 103
Don Sullivan Interview

Episode 104
Hamlet Introduction

Episode 105
The Girl In Gold Boots Introduction

Episode 106
The Girl In Gold Boots Trailer

Episode 107
The Girl In Gold Boots Teaser

Episode 108
Parts: The Clonus Horror Trailer

Episode 109
Robert Fiveson Interview

Episode 110
MST3K Video Jukebox, Vol. 3

Episode 111
Catalina Caper (Unedited)

Episode 112
Eegah! (Unedited)

Episode 113
The Beginning Of The End (Unedited)

Episode 114
The Brain That Wouldn't Die (Unedited)

Episode 115
The Creeping Terror (Unedited)

Episode 116
The Skydivers (Unedited)

Episode 117
The Wild World Of Batwoman (Unedited)

Episode 118
No Dialogue Necessary : Making The Beast Of Yucca Flats

Episode 119
Coleman Francis : The Cinematic Poet Of Parking

Episode 120
The Beast Of Yucca Flats Trailer

Episode 121
Introducing Lost Continent

Episode 122
Lost Continent Trailer

Episode 123
Mystery Science Theater Hour Wraps For Crash Of Moons

Episode 124
Introducing Jack Frost

Episode 125
First Spaceship On Venus Trailer

Episode 126
Laserblast Trailer

Episode 127
Werewolf Trailer

Episode 128
Future War Trailer

Episode 129
Variations On A Theme Song

Episode 130
2008 San Diego Comic-Con International Reunion Panel

Episode 131
Turkey Day Leftovers with Kevin Murphy

Episode 132
8th Annual Young Comedians Show

Episode 133
Senor Sock.
2002-01-02

Episode 134
Con '94 pt1

Episode 135
Con '95 pt2

Episode 136
The Home Game 11pm

Episode 137
The Home Game (Behind the Scenes)

Episode 138
Mike Nelson on Slasher Movies (VH1)

Episode 139
Mystery Science Theater Hour Wraps For The Giant Gila Monster

Episode 140
Mystery Science Theater Hour Wraps For Hercules Unchained

Episode 141
Mystery Science Theater Hour Wraps For Hercules Against The Moon Men

Episode 142
Space Ghost Coast-2-Coast

Episode 143
Short: Alphabet Antics
1991-07-20

Episode 144
Short: Assignment Venezuela

Episode 145
Short: Calling 21st Century

Episode 146
Short: Speech Using Your Voice

Episode 147
Short: The Truck Farmer

Episode 148
Short: Why Study Industrial Arts

Episode 149
Music Video: A Patrick Swayze Christmas

Episode 150
Music Video: Clowns in the Sky

Episode 151
Music Video: Hobgoblins

Episode 152
Music Video: Sodium

Episode 153
Music Video: The Bomb Song

Episode 154
Music Video: The Greatest Frank of All

Episode 155
Music Video: The Janitor Song

Episode 156
Music Video: The Many Tunes of Gamera

Episode 157
Music Video: When Loving Lovers Love

Episode 158
Music Video: Sidehackin

Episode 159
Scrapbook

Episode 160
Short: Keeping Clean And Neat

Episode 161
The Last Dance: Raw
1999-12-02

Episode 162
Rough Cut - 1013 - Diabolik
2005-12-12

Episode 163
Rough Cut - 1010 - It Lives by Night
2001-06-05

Episode 164
Rough Cut - 0503 - Swamp Diamonds - What To Do On A Date
2005-12-12

Episode 165
Rough Cut - 0505 - The Magic Voyage Of Sinbad
2005-12-12

Episode 166
Rough Cut - 1012 - Squirm
2006-07-11

Episode 167
Film Crew on Starz
2006-07-11

Episode 168
MST3K: The Movie Press Kit
2007-07-01

Episode 169
Progress Island USA
2007-07-02

Episode 170
Mr. B Natural
2007-07-03

Episode 171
Are You Ready for Marriage
2007-07-04

Episode 172
Once Upon a Honeymoon
2007-07-05

Episode 173
The Chicken of Tomorrow
2007-07-06

Episode 174
A Young Man's Fancy
2007-07-07

Episode 175
Speech Platform for Posture and Appearance
2007-07-08

Episode 176
Design for Dreaming
2007-07-09

Episode 177
Last Clear Chance
2007-07-10

Episode 178
Money Talks!
2007-07-11

Episode 179
Uncle Jim's Dairy Farm
2007-07-12

Episode 180
Posture Pals
2007-07-13

Episode 181
A Day at the Fair
2007-07-14

Episode 182
Cheating
2007-07-15

Episode 183
Is This Love
2007-07-16

Episode 184
What About Juvenile Delinquency
2007-07-17

Episode 185
The Home Economics Story
2007-07-18

Episode 186
Body Care and Grooming
2007-07-19

Episode 187
What to do on a Date
2007-07-20

Episode 188
Here Comes the Circus
2007-07-21

Episode 189
Circus on Ice
2007-07-22

Episode 190
Aquatic Wizards
2007-07-23

Episode 191
Appreciating Our Parents
2007-07-24

Episode 192
Johnny at the Fair
2007-07-25

Episode 193
X Marks the Spot
1990-12-22

Episode 194
Catching Trouble
1991-11-09

Episode 195
Poopie! II
1997-11-27

Episode 196
Serial Variety Pack
2013-07-27

Episode 197
Radar Men from the Moon (serial)
2012-12-04

Information

Episode air date	03.07.2007
Episode runtime	—
Episode rating	0.00
Genres	Comedy / Sci-Fi & Fantasy
TMDB series rating	7.7
IMDb series rating	8.6
Series status	Ended
Age rating	14+
Country	US

Trailer

Cast

Michael J. Nelson

Michael J. Nelson
Mike Nelson

Kevin Murphy
Tom Servo (voice) / Professor Bobo

Bill Corbett
Crow T. Robot (voice) / Observer

Mary Jo Pehl
Pearl Forrester

Patrick Brantseg
Gypsy (voice)

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