I love a good podcast! They let me learn while working out or commuting. Even better is when the podcast is Salesforce-y! Those make my heart happy!
I’m sure there are others I don’t know about, but these are my favorite (in no particular order):
OOTTPod: http://oottpod.libsyn.com
TwoWIT: http://twowit.libsyn.com/podcast
The WizardCast: https://thewizardnews.com/wizardcast_home/
System.Debug: http://www.systemdotdebug.com/
CloudFocusWeekly: http://www.arkusinc.com/cloudfocus-weekly
Salesforce Admins Podcast: https://admin.salesforce.com/salesforce-admin-podcast
Good Day Sir: https://www.gooddaysirpodcast.com/
Code Coverage: https://www.codecoverage.org
Braniate: http://brainiate.blogspot.com/search/label/Podcast
Campfire Stories: https://itunes.apple.com/us/podcast/campfire-stories/id1337155743?mt=2
YappExchange: http://www.yappexchange.com/
Cloud Force Collective: http://cloudforcecollective.com/
The Salesforce Cowboys: https://salesforcecowboys.podbean.com/