Season 3


 * ep 2 is Deus Ex Monkhuahua and Slak Attack
 * ep 4 is 127 Owwws and 28 Fleas Later
 * ep 6 is The Flawed Couple and Go-Sip Girl
 * ep 8 is Snooty and the Beasts parts 1 and 2
 * ep 10 is Super Smash Siblings and A Hole in Grug

Given the consecutive airings (although this was not their debut date order) it may be that the even numbering refers to acknowledging paired stories, unlike season 4 which doesn't skip odd numbers when numbering the half-hour segments in guides.