Top Videos: OITNB Takes Over Conan, "Apparently" Boy, Giant Beer Pong with Nina Dobrev

This week, members of the Orange Is the New Black cast took over Conan for an episode, and it was glorious. Also, a farmer serenaded a team of cows with a trombone rendition of Lorde's "Royals," and the Internet found a new celebrity in "Apparently Boy." Taylor Swift made us sniffle when she visited a 7-year-old cancer patient, and Nina Dobrev and Jimmy Fallon entertained us with a game of Giant Beer Pong. Check out those clips and more in our weekly roundup of the best online videos:

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OITNB on Conan: Rest assured: Orange Is the New Black cast members Taylor Schilling, Uzo Aduba, Jason Biggs, Laverne Cox,Natasha Lyonne, Kate Mulgrew and Lea Delaria are just as entertaining out-of-character as they are on the acclaimed Netflix series. In the clip below, Aduba gives Conan O'Brien a lesson in making her character's signature "Crazy Eyes." And go here for more clips from the cast's visit to Conan — including Delaria's lesbian sex tips and an alternate opening sequence.

Cows like Lorde: Who knew that cows had such modern taste in music? It's pretty mind-blowing to watch this herd flock to a farmer as he plays Lorde's "Royals" on the trombone — and even more so when they join in towards the end.

Apparently Boy: A 5-year-old boy was interviewed by a local news station after attending a county fair in Pennsylvania, and the results are adorable. Apparently, it was his first time speaking on live television.

Taylor Swift visits a cancer patient: Be sure to grab tissues before you watch this video of Taylor Swift visiting Jordan Nickerson, a 6-year-old cancer patient at Boston's Children's Hospital. And try not to lose it when they do a duet on "We Are Never Getting Back Together."

Giant Beer Pong with Nina Dobrev: Nina Dobrev stopped by The Tonight Show this week, where she was challenged to a game of "Giant Beer Pong" by host Jimmy Fallon. Along the way, the audience learns a few facts about the Vampire Diaries star, namely that she hates beer and is quite a lightweight.

Masters of Sex behind the scenes: Get out of the bedroom and step into the writers' room at Showtime's Masters of Sex to learn how the staff creates the fictionalized versions of real-life sex researchers William Masters (Michael Sheen) and Virginia Johnson (Lizzy Caplan).

Fred Armisen presents "Mom": Do you miss seeing Fred Armisenon Saturday Night Live? This week, with the help of a few props, the Portlandia star debuted a new character (via "FredEx" satellite) on Late Night with Seth Meyers. Check her out here: