<Tr> <Th> 14 </Th> <Td> 14 </Td> <Td> "The Nerdvana Annihilation" </Td> <Td> Mark Cendrowski </Td> <Td> Story by: Bill Prady Teleplay by: Stephen Engel & Steven Molaro </Td> <Td> April 28, 2008 (2008 - 04 - 28) </Td> <Td> 3T6613 </Td> <Td> 8.07 </Td> </Tr> <Tr> <Th> 15 </Th> <Td> 15 </Td> <Td> "The Shiksa Indeterminacy" "The Pork Chop Indeterminacy" </Td> <Td> Mark Cendrowski </Td> <Td> Story by: Chuck Lorre Teleplay by: Lee Aronsohn & Bill Prady </Td> <Td> May 5, 2008 (2008 - 05 - 05) </Td> <Td> 3T6614 </Td> <Td> 7.38 </Td> </Tr> <Tr> <Th> 16 </Th> <Td> 16 </Td> <Td> "The Peanut Reaction" </Td> <Td> Mark Cendrowski </Td> <Td> Story by: Bill Prady & Lee Aronsohn Teleplay by: Dave Goetsch & Steven Molaro </Td> <Td> May 12, 2008 (2008 - 05 - 12) </Td> <Td> 3T6615 </Td> <Td> 7.79 </Td> </Tr> <Tr> <Th> 17 </Th> <Td> 17 </Td> <Td> "The Tangerine Factor" </Td> <Td> Mark Cendrowski </Td> <Td> Story by: Chuck Lorre & Bill Prady Teleplay by: Lee Aronsohn & Steven Molaro </Td> <Td> May 19, 2008 (2008 - 05 - 19) </Td> <Td> 3T6616 </Td> <Td> 7.34 </Td> </Tr>

How many episodes left in big bang theory this season