Hodgins progresses through the stages of grief over the next few episodes. This episode is "denial."
Josh Duvendeck and Johnny Sneed both appeared in 6 episodes of Parks and Recreation, though there was no overlap. Duvendeck's final episode as Ben was Season 3, Episode 9 (Andy and April's Fancy Party) while Sneed made his first appearance in Season 3, Episode 16 (Li'l Sebastian).