John Barrowman week 3 continues; Penn Jillette in the studio for his new book, "Every Day Is An Atheist Holiday"; Kumail Nanjiani and Emily Gordon from The Indoor Kids share their video game gift guide;Matt Mira tells us which gaming rig is a must-buy for the holidays
| Name | Type | Role | |
|---|---|---|---|
| John Barrowman | Guest Star | ||
| Penn Jillette | Guest Star |