Complex sentence: Her first major television exposure was her role as Stephanie Gooch in "Scrubs", and later as Shelley in "Raising Hope" and Raj's girlfriend Lucy in "The Big Bang Theory".
Split into simpler sentences: Her first major television exposure was her role as Stephanie Gooch in "Scrubs". Later she portrayed Shelley in "Raising Hope" and Raj's girlfriend Lucy in "The Big Bang Theory".