<Tr> <Th> 19 </Th> <Td> 19 </Td> <Td> "Hand - to - Hand" </Td> <Td> Paris Barclay </Td> <Td> Matt Pyken </Td> <Td> April 6, 2010 (2010 - 04 - 06) </Td> <Td> 119 </Td> <Td> 13.79 </Td> </Tr> <Tr> <Td_colspan="8"> The investigation of an ex-marine's murder leads the team to a mixed martial arts gym, where Sam must go undercover . </Td> </Tr> <Tr> <Th> 20 </Th> <Td> 20 </Td> <Td> "Fame" </Td> <Td> Dennis Smith </Td> <Td> Speed Weed </Td> <Td> April 27, 2010 (2010 - 04 - 27) </Td> <Td> 120 </Td> <Td> 15.62 </Td> </Tr> <Tr> <Td_colspan="8"> The death of a marine leads the team to Hollywood glitz and glamor . Recruited by Hetty, Detective Marty Deeks officially joins the team as the NCIS / LAPD liaison officer . </Td> </Tr>

When does deeks first appear in ncis la