Complex sentence: After the programme's revival in 2005, she appears in several episodes with the Tenth Doctor, as well once with the Eleventh Doctor as the central character of her own series "The Sarah Jane Adventures" from 2007 to 2011.
Split into simpler sentences: After the programme's revival in 2005, she appears in several episodes with the Tenth. Meanwhile she is the central character of the series "The Sarah Jane Adventures" from 2007 to 2011.