On This Day/March 31
- 2019: Episode 41 of Earthcore (3rd edition, 2017) is released into the podcast feed
- 2014: The All-Pro is released as audiobook
- 2013: Episode 25 of The MVP is released into the podcast feed
- 2008: Episode 21 of Nocturnal (1st edition) is released into the podcast feed
- 2007: Dame Julie Andrews delivers poisoned dates to Scott Sigler as an insincere congratulatory gift celebrating the release of his book, Infected. Scott merely becomes ill instead of dying, though he vomited while being interviewed on This Week in Science the next day.
- 2007: Episode 23 of The Rookie (Adult Version) is released into the podcast feed