The Big Bang Theory – “The Roommate Transmogrification” (10:00–11:00)

The sitcom returns with a laugh‑laden episode that sees Mrs. Wolowitz hospitalized while the boys navigate a new romantic dilemma. The dialogue remains sharp, and the chemistry between the cast is still there. It’s still entertaining for fans wanting a quick, light‑hearted break.
Young Sheldon – “Graduation” (07:30–08:00)

Sheldon’s emotional breakdown after high school graduation provides a heartfelt look at a young prodigy’s fears. The family dynamics are real, and the humour stays in line with the original series’ tone. A reliable pick for those who appreciate character‑driven comedy.
Dr. Pimple Popper – “Booty And The Beach” (23:30–00:30)

A medical reality show that blends humour and science, this episode follows a patient with an unusual growth. The visuals are engaging, and the doctor’s explanations add an educational edge. One of the better options for a late‑night binge.
Say Yes to the Dress UK – “The Jet Setters Show” (01:30–02:00)

The fashion reality series delivers a colourful look at bridal gowns across the UK. The episode offers a mix of emotional moments and candid fashion advice, making it a reliable pick for wedding‑planning enthusiasts.
My 600‑lb Life – “Ontreon’s Journey” (02:00–04:00)

A two‑hour documentary style episode that explores Ontreon’s faith and dedication in a weight‑loss journey. The narrative is intense yet grounded, offering viewers a deeper look at perseverance. Holds up well for those seeking inspirational content.
Mock The Week – “Dara Ó Briain introduces topical chat” (20:00–21:00)

The comedy panel returns with topical humour and witty banter. The episode’s energy is high, and the jokes stay relevant. A good pick for viewers craving a light, satirical break.
Unacceptable – “Ed Gamble hosts” (21:00–22:00)

Ed Gamble leads a panel that tackles controversial topics. The format is provocative, and the banter is sharp. Holds up as a reliable watch for those who enjoy debate‑style entertainment.
Bottom line: TLC’s Sunday lineup offers a balanced mix of comedy, reality, and documentary that caters to a wide audience. From the familiar laughs of The Big Bang Theory to the raw journeys of My 600‑lb Life, there’s something for every mood. Pick your genre and let the channel’s diverse programming keep you engaged all day.