<P> On May 11 , 2012 , ABC renewed Last Man Standing for a second season . Beginning this season , Amanda Fuller now plays Kristin , replacing Alexandra Krosney . Flynn Morrison was also added to the main cast as an age - advanced Boyd , replacing twins Evan and Luke Kruntchev . Jordan Masterson recurs as Ryan , Boyd 's father , replacing Nick Jonas , who guest starred in one episode in the previous season . The second season initially received a thirteen - episode order , but ABC announced on November 12 , 2012 that an additional three scripts had been ordered . The episode order was then extended to five additional episodes , bringing the current total to eighteen for the season . Tim Allen 's former Home Improvement co-star Richard Karn guest starred in the episode `` Attractive Architect '' , playing the character Bill McKendree . Karn reprised his role again in the episode `` The Fight '' . Jonathan Taylor Thomas , another Home Improvement co-star of Allen 's , guest starred in the season finale , `` College Girl '' , as the character John Baker . </P>
<P> On May 11 , 2012 , ABC renewed Last Man Standing for a second season . Beginning this season , Amanda Fuller now plays Kristin , replacing Alexandra Krosney . Flynn Morrison was also added to the main cast as an age - advanced Boyd , replacing twins Evan and Luke Kruntchev . Jordan Masterson recurs as Ryan , Boyd 's father , replacing Nick Jonas , who guest starred in one episode in the previous season . The second season initially received a thirteen - episode order , but ABC announced on November 12 , 2012 that an additional three scripts had been ordered . The episode order was then extended to five additional episodes , bringing the current total to eighteen for the season . Tim Allen 's former Home Improvement co-star Richard Karn guest starred in the episode `` Attractive Architect '' , playing the character Bill McKendree . Karn reprised his role again in the episode `` The Fight '' . Jonathan Taylor Thomas , another Home Improvement co-star of Allen 's , guest starred in the season finale , `` College Girl '' , as the character John Baker . </P>
who was the first boyd on last man standing
who was the first boyd on last man standing
twins Evan and Luke Kruntchev
twins Evan and Luke Kruntchev