When the Brady Kids announce that they've invited the kids from What's Happening!! to appear on their variety show, their parents inform them that a last-minute addition to the show is not possible.
| Name | Type | Role | |
|---|---|---|---|
| Danielle Spencer | Guest Star | ||
| Fred Berry | Guest Star | ||
| Rip Taylor | Guest Star | ||
| Rick Dees | Guest Star | ||
| Ernest Thomas | Guest Star | ||
| Patty Maloney | Guest Star | ||
| Haywood Nelson | Guest Star | ||
| Jack Regas | Director |