01:14 — Colleen Ballinger is still a cat-obsessed child on the inside.
03:07 — Jimmy pens thank you notes to jammed photocopiers, people named Patrick and other things.
01:46 — Colleen Ballinger tried to slip into her Miranda Sings character during Disneyland performances, but the Mouse House wasn't into it.
03:52 — Colleen Ballinger transforms into Miranda Sings before showing a clip from her Netflix series, Haters Back Off.
02:28 — Jon Hamm chats with Jimmy about his action comedy Keeping Up with the Joneses.
05:04 — Jimmy Fallon's monologue from Friday, October 14.
03:58 — Jon Hamm accepted a role as John Mulaney's understudy in the Broadway show Oh, Hello using a text message and emojis.
05:13 — While backstage at The Tonight Show, Jon Hamm gives fans advice on adorkable dating, making better breakfast choices, break-up cheese and more.
04:03 — Rob Riggle shares the time he bombed in front of Martin Scorsese.
03:29 — Jimmy, Rob Riggle, Horatio Sanz, The Roots and Steve Higgins accept the ALS Ice Bucket Challenge, and Jimmy nominates the New York Jets.
Trending TonightSee all »
The cast on its best-ofs