After saving the life of the President, two secret service agents - Myka Bering and Pete Lattimer - find themselves assigned to the top secret Warehouse 13. The Warehouse is a massive, top secret facility that houses dangerous and fantastical objects. Together, Pete and Myka along with fellow agents Claudia, Steve Jinks and Warehouse caretaker Artie, must recover artifacts from around the globe before they can cause catastrophic damage.
S2E4, it seemed like this one guy might do more, but was interrupted. See other notes for other episodes, but the show's generally safe in this regard.
In season 4 episode 11 when they are trying to talk to the drunk professor played by James Marsters, he vomits into a trash can (out of view, but you hear it). It's quick though, with no more vomiting in the episode.
No, but there are some very 101 kinda reactions to learning one character is gay, like 'oh cool, someone to appreciate my hotness' or 'have you seen (whatever stereotypical show)?' etc. No proper homophobia or anything I recall.
No one gets eaten, but there are a couple of human bite marks on other humans. You'll also see someone eating a deer in a forest when they go looking. One of the artifact's effects is connected to starvation.
S2E4, it seemed like this one guy might do more, but was interrupted. See other notes for other episodes, but the show's generally safe in this regard.
In one episode they enter an alternate reality where everyone's worst fears manifest. A character who has spent time in a mental hospital is almost subjected to electro-theraphy but the attacking "doctor" is stopped. It is implied that she had been subjected to e-t when she was in the hospital
For the artifacts, there are usually bright, shifting lights indicating that they are magical. When they are neutralized, there is often a bright flash of light.
In an episode near the end of the second to last season they meet a teen who says he's homeless, and they visit a homeless camp. My "no" answer is a spoiler about the teen.