Overview: Joel returns to the green screen with a visit from Kevin Hart and a tour of Netflix, then has fun with South African words and Korean car accidents.
Overview: Joel checks back in with Donnadorable, welcomes Kristen Bell -- and a ghost -- to the studio and explores offbeat TV from Australia and New Zealand.
Overview: Joel introduces a new batch of reality TV bros and revels in Indian pop culture. Billy Eichner drops by with a dire warning about Donnadorable.
Overview: Joel wades warily into YouTube vlogger breakups and Japanese TV, Eric Bana pitches his new business, and Eric McCormack shows you how to feel smarter.
Overview: As Joel checks out Nigerian film, shows that humiliate kids and a new twist on “The Bachelor,” show bully Seth Green delivers an ominous message.
Overview: Drew Barrymore and Timothy Olyphant drop in, Adam DeVine calls a family meeting, and a haunting character returns. Plus, weird Kickstarter campaigns.
Overview: Gabriel Iglesias pitches his side business, while Russell Wilson and Kate Flannery hawk supplements that are stranger than a “Maury” guest’s name.
Overview: Bill Nye shows off a Netflix-inspired invention while Joel presents chilling glimpses at technology and a regrettable ending to a family classic.
Overview: Joel shows odorous clips from “Jersey Shore,” “Live PD” and Russell Crowe's divorce auction, then Nicole Byer shares some fragrances of her own.
Overview: Joe Manganiello steps in when an adorable puppy is lost at sea. Joel checks in on the esteemed Vanderpumps and shows off new bidet technology.
Overview: Bellamy Young gets jiggy with '90s slang and voting. Plus, more "Mini Black Mirror" and embarrassing moments from "Jersey Shore," "Jeopardy!" and UFC.
Overview: Joel has fun with unsavory French television and an irate Scottish gardener. Anna Faris hosts an offbeat talk show with Joel and Eugenio Derbez.
Overview: The show's recurring characters return, including a familiar apparition and a guy who says he's Seth Rogen. Then, Joel previews his new action series.
Overview: Joel welcomes guest Gillian Jacobs and checks in on dumb people saying dumb things, a stupefying tattoo and a baseball manager's uplifting ring tone.
Overview: Justin Hartley comes by to drop some knowledge, Joel introduces a new DNA testing service, and the International Corner makes a stop in Uganda.
Overview: Joe Manganiello returns with a mystery to solve. Joel shares a fun new tourism video, a celebrity-inspired phrase generator and home shopping gems.
Overview: Quilting enthusiast Ray Liotta defends his craft, then Joel puts the best of America on display in his "National Corner" and a new "That Happened."
Overview: YouTube star Markiplier shares highlights from the streaming world, Pizza Ghost returns with a new friend, and Lou Diamond Phillips challenges Netflix.
Overview: Joel impresses Jack Black with his storytelling abilities. Plus, a delusional "Bachelorette" contestant and clips from "Jersey Shore" spinoffs.