Olivia Liang 8 p.m. on WTTG MasterChef

All 20 chefs are forced to revisit a dark day from their previous appearance on this series as they are tasked with cooking something that is inspired by the dish that led to their elimination previously in “Dish That Sent You Home,” the first elimination round of the season. The chef who is able to turn that earlier “dish of disgrace” into something refined and elevated wins immunity. Gordon Ramsay, Aarón Sánchez and Joe B astianich are the judges.

8 p.m. on DIY The Established Home

Designer Jean Stoffer takes on some of her most ambitious projects to date around her hometown of Grand Rapids, Mich., in this new home improvement series. In addition to taking viewers through each step in the makeover process, she shares the inspiration behind her stunning designs, as well as the important role family plays in her life and business. In the series premiere, “Lake Drive: Part 1 ,” Stoffer starts work on the first phase in her redesign of a charming 1 91 6 brick home.

9 p.m. on WDCW Kung Fu

The season finale “The Source” finds Nicky (Olivia Liang) out on a dangerous mission to take down Russell Tan (guest star Kee Chan) once and for all, accompanied by an unexpected ally. The series also stars Tzi Ma, Kheng Hua Tan, Shannon Dang, Jon Prasida, Eddie Liu, Gavin Stenhouse, Yvonne Chapman, Vanessa Kai and Tony Chung. The CW Network has picked up this action drama for a third season.

9 p.m. on TLC My Feet Are Killing Me

Dr. Ebonie Vincent removes a strange growth that is emerging from a cancer survivor’s toe in the new episode “Alien B rain Toe.” In another segment, Dr. Sarah Haller reconstructs a woman’s twisted and dislocated toes. Meanwhile, Dr. B rad Schaeffer takes a scalpel to a massive heel growth, but the patient declines to take numbing shots surrounding the surgical site.