Last week, we showed you the first trailer for The Tonight Show Starring Jimmy Fallon, which starts a new era in late night TV on February 17. Today, NBC has released the second trailer, showing a "young Jimmy Fallon" preparing for his hosting duties as a young child. Stay tuned for more trailers as we get closer to the new late night series.

The Tonight Show Starring Jimmy Fallon

Jimmy Fallon joins previous hosts Steve Allen (1954 - 1957), Jack Paar (1957 - 1962), Johnny Carson (1962 - 1992), Jay Leno (1992 - 2009, 2010 - present) and Conan O'Brien (2009 - 2010).