04:03 — In light of murder suspect Robert Durst's possible confession in The Jinx, Jimmy reads his favorite tweets with the hashtag #IOnceOverheard.
03:34 — In honor of St. Paddy's Day, Jimmy weighs the good and bad of joining the festivities.
04:02 — Roxanne Chalifoux, the crying Villanova piccolo player, sits in with the Roots and chats with Jimmy.
03:20 — Jimmy reads celebrity Twitter replies before reading the hilarious original tweets posing the questions they responded to.
03:17 — Mark-Paul Gosselaar talks about how the script for "Jimmy Fallon Went to Bayside High" originated and pulling off Zack's look in 2015.
07:18 — Will Ferrell announces that he's the new spokesperson for Little Debbie snack cakes.
05:25 — Jimmy and Bubba get a pie smashed in their face by January Jones each time their opponent successfully hits a target with a golf ball.
02:19 — Walk the Moon describe how reading the news inspired them to write the lyrics to "Different Colors."
02:02 — Comedian Brian Regan talks about his early days of stand-up and the one response you never wanna get.
01:47 — Ed (Kel Mitchell) and Lester Oaks (Kenan Thompson) talk about their mutual appreciation of all things Good Burger.
02:20 — Ronda tell us about her time as a Pokémon trainer and what her World of Warcraft character is like.
02:14 — Michael Strahan talks about the time he let someone else pick his Halloween costume, and the results were not what he expected.
05:15 — Jennifer Garner chats with Jimmy about Ben Affleck's reaction to the Patriots' Super Bowl XLIX win and shows off some serious beer-chugging skills.
05:25 — Jimmy shows a clip from the Teen Nick show "Ew!" in which Sara and her friend Alexa have a sing-off.
02:11 — Andy Cohen goes through the A, B, Cs of Twitter and gives advice on what not to do on it.
03:55 — Chris Hardwick answers fan-submitted "This or That" questions about telekinesis, Jon Snow's six pack, Star Wars: The Force Awakens cameos and more.
02:13 — Charles Kelley shares how his crew inspired him and Eric Paslay to write "The Driver."
03:25 — Jimmy and Jennifer Garner go head to head in a game of rock, paper, scissors with a twist - the loser of each round possibly gets a pie to the face.
01:38 — Fred Savage tells the story of shooting the last scene in the last episode of "The Wonder Years."
07:57 — While backstage at The Tonight Show, Seth Rogen plays "This or That" live with fans on Meerkat.
01:56 — While backstage at The Tonight Show, Ciley Myrus answers fan-submitted "This or That" questions about pot, glitter and tiny giraffes.
01:01 — Beth Behrs and her co-stars couldn't get through a serious scene without totally cracking up.
02:51 — CHVRCHES talks about going back to Glasgow to record "Every Open Eye" and getting to see fans respond to the new album on the road.