Angelina Jolie and Tom Brokaw; Sheryl Sandberg; Austin Mahone; Martin Freeman; Grace Helbig. Also: Carrie Underwood performs; "Today Toy Drive" with Jennifer Nettles; "By the Numbers: Holiday Edition"; cooking for the holidays.
| Name | Type | Role | |
|---|---|---|---|
| Eric Jackson | Producer | ||
| Grace Helbig | Guest Star | ||
| Austin Mahone | Guest Star | ||
| Carrie Underwood | Guest Star | ||
| Angelina Jolie | Guest Star | ||
| Sheryl Sandberg | Guest Star | ||
| Jennifer Nettles | Guest Star | ||
| Martin Freeman | Guest Star | ||
| Tom Brokaw | Guest Star | ||
| Donald Nash | Executive Producer |