a short, original video that is initially viewed on a website and is promotional or informational in content: The TV show will premiere a series of webisodes this summer.
Origin of webisode
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
an episode of a television show that is available online for viewing or download
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012