On Saturday night's season finale of "Saturday Night Live", Andy Samberg and Justin Timberlake, who hosted the episode, teamed with the night's musical guest for an SNL digital short, which brought back charcters JT and Samberg has played in another digital short called "Motherlover."  Titled "Threeway," the latest SNL digital masterpiece beginds with Sabmerg and Timberlake saying goodbye to eachothers' mothers, picking up where "Motherlover" left off.  The two then start laying down rhymes about having a threeway with Lady Gaga, who joins them in the skit.  The ppeice was definitely a highlight of the show, as were Gaga's two live performances.  Check out all clips of all three below.