Sean Kanan shares the hardships he endured playing Mike Barnes in 'The Karate Kid Part III,' including when producers almost replaced him with Brandon Lee.

Leon Birenberg is one of the composers for 'Cobra Kai.' He explains how '80s music influences the show and delves into the specific kinds of '80s music that entails.

'Karate Kid' stars William Zabka and Ralph Macchio pick their favorite scenes from the first four seasons of 'Cobra Kai,' and both picked season 1 moments.

'Cobra Kai' star Joe Seo remembers his audition for the role of Kyler. He compared meeting the show's creators to sitting at Putin's table, for the furniture, not the personalities.

'Cobra Kai' star Joe Seo explains why his character, Kyler, is such a bully in backstory he invented but was never explicit on the show.

'Cobra Kai' star Martin Kove reflects o his scene with Leonardo DiCaprio in 'Once Upon a Time in Hollywood,' but between takes he never brought up 'Titanic'.

'Cobra Kai' composer Leo Birenberg tells the story of how he and Zach Robinson composed the show's theme song. It all began in Johnny Lawrence's mind.

Martin Kove keeps pushing 'Cobra Kai' to let him show more vulnerability as John Kreese. He explains why it wouldn't soften the 'Karate Kid' villain to do so.

'Cobra Kai' actor Joe Seo looks back on the first episode, where Kyler (Seo) bullied Miguel (Xolo Maridueña) and shares what was really going through his mind.

'Cobra Kai' stars Jacob Bertrand and Peyton List are dating in real life. Bertrand reveals they've already discussed baby names, so how serious are they?

Jacob Bertrand apologizes to the 'Cobra Kai' fans in Liverpool who did not get selfies or autographs after waiting patiently for him.

Peyton List tells the story of an audition she had when she was 9, a decade before 'Cobra Kai.' Already she resisted mean stage parents.

'Cobra Kai' creators Josh Heald, Hayden Schlossberg, and Jon Hurwitz told fans a funny story about a time they faced danger themselves.

'Cobra Kai' star Peyton List has a twin brother with a slightly different career path who she loves to work with whenever she can.

Mary Mouser reveals her 'Cobra Kai' Karate training regimen has increased to six days a week, although it also includes Krispy Kreme donuts.

'Karate Kid II' star Yuji Okumoto discussed reprising his role in 'Cobra Kai.' Okumoto said what was important to him in returning to the role of Chozen.

Courtney Henggeler said she still gets hate messages from 'Cobra Kai' fans who don't appreciate Daniel LaRusso (Ralph Macchio)'s wife Amanda (Henggeler). Doing a scene with Elisabeth Shue didn't help.

Mary Mouser and Gianni DeCenzo describe how Tanner Buchanan ruins takes while filming 'Cobra Kai,' especially in season 2 when they all had scenes with him.

The 'Cobra Kai' cast includes actors from 'The Karate Kid' and a host of newcomers, including Mary Mouser. Here are her other acting credits.

Mary Mouser played a prank on Jacob Bertrand while filming 'Cobra Kai' Season 5. She now regrets how far she let the ruse get.