Dr. Venture's therapy group, a collection of former Boy Adventurers (who have become failed adults), quickly fall back into their old habits when a mystery is literally dropped into their session. Meanwhile, Sgt. Hatred tries to overcome his own past when he's stuck in a movie theater crammed with kids. History is doomed to keep repeating itself if Hatred and Dr. Venture can't break their cycles.
| Name | Type | Role | |
|---|---|---|---|
| Seth Green | Guest Star | ||
| John Hodgman | Guest Star | ||
| Brendon Small | Guest Star | ||
| Patton Oswalt | Guest Star |