Complex sentence: Meanwhile, Rory goes to get coffee and is sent back to the 1930s by a cherub Weeping Angel, where he meets River Song who is playing the part of Melody Malone.
Split into simpler sentences: Meanwhile, Rory goes to get coffee and is sent back to the 1930s by a cherub Weeping Angel. There, he meets River Song, who is playing the part of Melody Malone.