Ted invites Lesley's old high school prom date to their home after Ben learns that Ted is still jealous of him. Liam is asked to chaperone Chloe, Preston and their dates to the prom.
| Name | Type | Role | |
|---|---|---|---|
| John C. Reilly | Guest Star | ||
| Amy Sedaris | Guest Star | ||
| Penelope Spheeris | Director |