Things are heating up in ABC sitcom "Dr. Ken" when it returns with the fourth episode, where Dr. Ken Park (Ken Jeong) and family are getting ready to tickle viewers' funny bones.

Additionally, "The Wolverine" actor Will Yun Lee will make guest appearance in the sequel.

The episode is titled "Kevin O'Connell" and the official synopsis states that the title character will meet his wife Dr Allison's (Suzy Nakamura) former boyfriend Kevin, who is now a very hot and successful doctor.

So when Ken is asked to speak at a banquet honouring Kevin, he uses the opportunity more as a roast. In the meantime, his daughter (Krista Marie Yu) Molly struggles with a school assignment which asks her what she wants to be when she grows up.

Other cast members to appear in the sequel includes isha Campbell Martin as Damona, Kate Simses as Julie, Jonathan Slavin as Clark, Albert Tsai as Dave and Dave Foley as Pat. It is directed by Mark Cendrowski and written by Paul Kaplan and Mark Torgove.

CLICK HERE to watch "Dr. Ken" Season 1 Episode 4, titled "Kevin O'Connell", live online on ABC at 8.31pm on Friday, 23 October.

Meanwhile, the sitcom has been picked for a full season by ABC due to its strong television ratings in the past two weeks, according to Deadline.