<Tr> <Th> </Th> <Td> </Td> <Td> "The Luminous Fish Effect" </Td> <Td> Mark Cendrowski </Td> <Td> Story by: Chuck Lorre & Bill Prady Teleplay by: David Litt & Lee Aronsohn </Td> <Td> October 15, 2007 (2007 - 10 - 15) </Td> <Td> 3T6603 </Td> <Td> 8.15 </Td> </Tr> <Tr> <Td_colspan="8"> <P> At the university Sheldon is fired from his job as a physicist after insulting his new boss Dr. Eric Gablehauser . Sheldon's change of circumstance triggers a downward spiral of depression in which he fails to improve scrambled eggs, develops luminous fish for nightlights, and weaves on a hand loom . Worried, Leonard calls Sheldon's mother, Mary Cooper . When she visits, the men realize she is the complete opposite of their expectations: she is sweet, down - to - earth, a devout Christian, and a loving and caring mother . Mary finally forces Sheldon to apologize, who is given his job back after she flirts with Dr. Gablehauser . </P> Title reference: Sheldon creating glow - in - the - dark fish during his period of unemployment . A line of genetically modified fluorescent fish using the green fluorescent protein (and variants) from jellyfish, the GloFish, was actually developed and began selling in 2003 . </Td> </Tr> <P> At the university Sheldon is fired from his job as a physicist after insulting his new boss Dr. Eric Gablehauser . Sheldon's change of circumstance triggers a downward spiral of depression in which he fails to improve scrambled eggs, develops luminous fish for nightlights, and weaves on a hand loom . Worried, Leonard calls Sheldon's mother, Mary Cooper . When she visits, the men realize she is the complete opposite of their expectations: she is sweet, down - to - earth, a devout Christian, and a loving and caring mother . Mary finally forces Sheldon to apologize, who is given his job back after she flirts with Dr. Gablehauser . </P> <Tr> <Th> 5 </Th> <Td> 5 </Td> <Td> "The Hamburger Postulate" </Td> <Td> Andrew D. Weyman </Td> <Td> Story by: Jennifer Glickman Teleplay by: Dave Goetsch & Steven Molaro </Td> <Td> October 22, 2007 (2007 - 10 - 22) </Td> <Td> 3T6604 </Td> <Td> 8.81 </Td> </Tr>

Cast of the big bang theory season 1