SNL: Zac Efron Hosts, Biden Welcomes Obama Home, Weekend Update

Zac Efron of "High School Musical" fame hosted this week's Saturday Night Live. The opening skit showed Vice President Biden keeping the Oval office warm for President Obama and welcoming the President back from his trip abroad. Biden was his usual effusive self. Other noteworthy skits included "High School Musical 4," a "cool" bar where the patrons are all unusually young, and Weekend Update.

Watch the skits below.

Vice President Joe Biden welcomes President Obama home from his trip abroad.
A "cool" bar where the patrons all seem strangely young.
High School Musical 4
Weekend Update: Jon Bovi Cover Band
Gilly Causes Mischief At The School Science Fair