- B and P in the RV
- B-13/A | Foundation Database
- Baatgasm
- Babel 18
- Babylon 5 vs. Deep Space Nine
- Back At The Start - A Kollok 1991 Discussion Podcast
- Back Issue Bloodbath | Geek Hard
- Back To the Future
- BACK TO THE MORES
- Back to the Roots
- Backwoods Paranormal real talk
- Bad Science Fiction Read Poorly
- BAD Tabletop Gaming Podcast
- BadTeddy Stories
- BagiKisah
- Bahrain Youth Astronomical Podcast
- Bajo el Agua
- BAKUGOUKATZUKI
- Balancing the Force
- Balcón del diablo
- Bald Man Stories
- Baldrox
- Banda Friki
- BangJacko
- Banks
- Banshe
- Banter on Bespin
- Bantha Talk
- Bantha With the Boys
- Barack Obama
- BARBA RUIVA!
- Barbara Y Guillermo
- Bards Vs. Zombies
- Bare's Den
- Barely Super Podcast
- Barnehagen med gutta
- Barrio De La Estación
- Baseless
- Basic Fans.
- BAT 77 - The 70's Batman Podcast
- Batman el caballero de la noche
- Battlestar Galacticast
- BCPod
- BDTNS [Black Dudes Talk Nerd Stuff]
- Be Radio Radiophonic Universe
- Be. Scared
- Beacon Station
- Beat
- Beatrix Greene
- Beautiful Robot Odyssey
- Becka Thompson Story Time
- Becoming Legend: A Destiny Podcast
- Bednight Stories
- Bedtime Tales
- Beer and Ray Guns
- Beer Freaks
- Beermat Productions
- Beggars and Brawlers Podcast
- Beggin
- Behind the 4th Wall: Delving into the SCP Foundation
- Behind The Curtain
- Behind the Diagnosis
- Behind the Mask
- Being Human Cast
- Being quarantined with chlo
- Beings of the Galaxy
- Bekof Podcast
- Bel
- Beleubug
- Believer: A Paranormal Mystery
- Belitopia
- Bellada Humanda
- Bellwether
- Belumpercaya
- Ben
- Beneath A Domed Sky
- Beneath Ceaseless Skies Audio Fiction Podcasts
- Beneath The Copper Dunes
- Berean crane signal
- Bergen 2050
- Berlin Syfy Buklub
- Bermuda teiangle
- Bermuda Triangle
- BernaFe
- Beskar Brothers Podcast
- Best In Galaxy
- Best Since Empire
- Best Stories From Space
- Bestias bellas pero tenebrosas
- Better or Worse
- Between Light, Shadow, Science & Superstition
- Beyond Human: An Exploration Through Time & Space
- Beyond the Belt: Adventures from the Outer Rim
- Beyond the Dark
- Beyond The Dice
- Beyond the Event Horizon
- Beyond the Horizon
- Beyond The Screams
- Beyond the Stars
- Beyond Top Secret Texan Podcast
- BIA FAB
- BiblioTrek
- Bienvenida
- Bienvenido Al Infierno
- Bienvenidos A La Plataforma 9¾
- Bienvenidos a un poco de Star Wars
- Big Bad Bastich Book Klub (A Lobo Podcast)
- Big Dice Energy
- Big Myst
- Big rotating circle
- Bigger Than Capes
- BigRod
- Bilik Angker
- Bilim Kurgu Manyağı
- BINCANG SANTAI
- Binil Bhaskar's Malayalam Podcast
- Bintang kejora
- BIOFY
- BioLance
- BIOLOGIA
- Biomecânica na medicina veterinária
- Bioshock: The Midnight Series
- Biotechnology
- Birds Of Prey: Outcry
- Biringan (The Lost City)
- Bitchin' Project - der Stranger Things Podcast
- Bitcoin und Scifi
- Bitácora del capitán Sharles.
- Bitácora del viajante del tiempo
- Bla bla bla
- Black Alert Podcast
- Black Box
- Black Eye Story
- Black Eyed Children
- Black hat e investigador
- Black Hole
- Black Holes Study
- Black Mirror
- BLACK MIRROR - SERIE
- Black Mirror: Possible Threat or Improbable Future?
- Black Rainbow Horror Stories
- Black Star Chronicles
- BlackBald
- Blackbird: A Podcast Serial
- BLACKFOX NATION
- Blackout – Season 2
- Blast into Adventure!
- Blasted Beet
- Blasters & Booze
- Bleh
- Blerding Out
- Blindfolded
- Blockbuster Station
- Blood and Burlap
- Blood of the Paladin
- Bloodcast
- Bloque 4
- Blue Sun Corp.
- Boarding Party
- Bob Dylan or Prince
- Boba Feed - Der Star Wars Channel
- BOBBA LOVA
- BodyBag Podcast
- Boitat
- Boitata Lenda
- Bonde
- Bonkers - Geschichten aus dem Kühlregal
- Bonnyplush Podcast
- Boo! Bitch
- Book of the Three Houses
- Books and Authors Fantasy and SciFi Podcast
- Books From Earth
- Booze
- Borderland: Love and severance on the new frontier
- Borno Podcast
- Boston Harbor Horror Presents
- Bote De Basura
- Bougenville
- Bounty Hunt: A Star Wars Podcast by Youtini
- Boys in the Woods Podcast
- Br180
- BR549
- BrainMelt
- BRAN DON IAM
- BRASS
- Brave Geeks
- Brave New Pod: The Official Podcast of Brave New World
- Brave New World
- Brave the Basement
- BREACH
- Breakers
- Breathing Space, Fading Frontier
- Brian
- Brian Huber..storyteller
- Bridge of Two
- Broadcast 2071: A Project Terminus Story
- Broke Dm's Club
- Broken Dimension
- Broken Earth Spoilers Podcast
- Broken Mirror
- Broken Mysteries
- Broken Road
- Broken Routine Podcast
- Broken Sun
- Brood Of Vipers
- Brown Boys
- Brown Brothers Haunting Hour
- Bruce Crona's podcast on Science Fiction
- Bruja de Mundos
- Brujería Y El Arte Budu
- Buchg
- BUENOS AIRES MISTERIOSA
- Buenos días estrellitas
- Buff Geek Talk
- BuffoonCocoon Podcast
- BuggedCast
- Building Blocks: The Worldbuilder's Podcast
- Building Fear
- Buka Kamar
- Buku Milikmu
- BullDogRadioMx
- Bullet Catcher
- Bullshit With Babe
- Bump in the Night
- Bungasiagian
- Bunk Buddy Theories Jr.
- Bunker 27
- Bunny Man
- Bunyip & ayotochtli
- Bunyip Bites
- Burdened with Glorious Podcast
- Burning Zozo
- Burny And The Boogeyman
- Burst
- Buscar La Verdad
- Busted
- But
- ButterBirdTV
- Buzón de Voz #1
- By Beto 1