Andrew and Zelda break with their respective traditions and decide to throw a joint Halloween party, much to the dismay of Stu and Stephie, who feel like they are losing their best friends. Meanwhile, with Big Bird looking for a solid promotional opportunity to boost the profile of the company, Henry takes it upon himself to enlist the help of Ray Parker Jr. to attend their annual Wallflower Halloween party.
| Name | Type | Role | |
|---|---|---|---|
| Theresa Mulligan Rosenthal | Writer | ||
| Jeff Grosvenor | Producer | ||
| Ben Falcone | Guest Star | Howard | |
| Nancy Friedrich | Guest Star | Nancy | |
| Eric Appel | Director |