Chemistry winner Gerhard Ertl ? O'Brien is returning after more than 9 months off the air . Actor Seth Rogen is scheduled to appear Monday . The show will be taped in Los Angeles and New York, with a return date yet to be determined.
O'Brien is returning after more than 9 months off the air . Actor Seth Rogen is scheduled to appear Monday . The show will be taped in Los Angeles and New York, with a return date yet to be determined.