<Tr> <Th_colspan="2"> Guest appearance (s) </Th> </Tr> <Tr> <Td_colspan="2"> <Ul> <Li> Chris Diamantopoulos as Brian </Li> <Li> Ben Silverman as Coworker </Li> <Li> Brian Wittle as Isaac </Li> </Ul> </Td> </Tr> <Ul> <Li> Chris Diamantopoulos as Brian </Li> <Li> Ben Silverman as Coworker </Li> <Li> Brian Wittle as Isaac </Li> </Ul> <Li> Chris Diamantopoulos as Brian </Li>

What episode of the office does brian get fired