This thesis is written to 1) identity whether and to what extent talk show video improves students? vocabulary in speaking skill and 2) describe classroom climate when talk show video is applied in the speaking class. The method used in this research was classroom action research. The research was conducted in two cycles from Mei 30th until July 10th at the second semester of English Education Department of IKIP PGRI Pontianak 2013/2014. The research data were collected by using techniques of qualitative and quantitative data collection which includes; observation, questionnaire, journal or diaries, document analysis and test. The qualitative data were analyzed through constant comparative method and the statistic data were analyzed through T-test by calculated the students? score calculation, mean sore of pre-test and post-test. The research findings showed that talk show video in teaching and learning English could improve the students? vocabulary in speaking skill and the classroom climate. The improvement of students? vocabulary in speaking skill showed: (1) most of students pronounced the English words correctly; (2) most of students knew the meaning of English words, (3) most of students could use the words in sentence correctly according to the text. The improvement of classroom climate category showed dealing with a low of the students? speaking skill are: (1) the students were not noisy in the teaching learning process, they paid attention toward lesson and (2) the students encourage to use English in teaching learning speaking, by recording the talk show and let the students watch what they have done will reflect their by themselves, they will encourage themselves to get to know more about their vocabulary that related to the topic presented. Video will stimulate and motivate students? interesting in improving their vocabulary in speaking class. Beside the improvement of the students? score, the students did some activities who did not they do before using talk show video; (1) they did various activities during teaching learning using talk show video, (2) they could interact with their friends and collaborate with them during teaching learning speaking, and (3) they could be responsible to their jobs. As a result, talk show video is suitable for supporting and improving students? speaking skill, it has important role in teaching and learning process.
Keywords: Talk show video, reflective practice, vocabulary, speaking skill, Class Action Research.