| "Lonelyhearts" | |
|---|---|
| Grimm episode | |
| Episode no. | Season 1 Episode 4 |
| Directed by | Michael Waxman |
| Written by | Alan DiFiore Dan E. Fesman |
| Featured music | Richard Marvin |
| Cinematography by | Cort Fey |
| Editing by | Chris Willingham |
| Production code | 104 |
| Original air date | November 18, 2011 |
| Running time | 43 minutes |
| Guest appearances | |
| |
"Lonelyhearts" is the 4th episode of the supernatural drama television series Grimm of season 1, which premiered on November 18, 2011, on NBC. The episode was written by supervising producer Alan DiFiore and co-executive producer Dan E. Fesman, and was directed by Michael Waxman.