TV Guide for Now Saturday 10 in TLC

Raj and Howard double-date, and the latter is flushed with embarrassment after Raj's girlfriend reveals a secret she knows about Howard.

Leonard reinstates Anything Can Happen Thursday, and Sheldon attempts something spontaneous. Raj requests help from Howard in prepping for a date.

Sheldon receives counselling from his childhood TV idol, while Penny and Leonard reach a relationship milestone and turn it into a competition.

A trying day at the movie shoot makes Penny question her life choices. Caring for a bedridden Mrs. Wolowitz is a challenge for Howard and Bernadette.

Sheldon gets caught up in all the life-altering changes going on around him and considers a monumental move. Raj and Emily take it to the next level.

Amy and Leonard take a road trip, Penny has an interview at Bernadette's company, and Howard has issues with Stuart's relationship with his mum.

Howard signs up to take Sheldon's class, and tensions between Penny and Bernadette give Amy an opportunity to play one against the other.

NASA asks Wolowitz to throw the first pitch at an Angels baseball game. And Sheldon says that he and Amy are a better couple than Leonard and Penny.

Raj's girlfriend gives Penny the cold shoulder after he tells her about their history, and the guys consider buying into Stuart's comic-book emporium.

Amy and Bernadette accuse Penny of becoming a party pooper. And the guys brainstorm about inventing something cool.

Sheldon and Raj go on an expedition that turns into a test of how long before they get under each other's skin. Leonard and Penny argue about money.

Penny's sales pitch leaves a doctor-client smitten and the guys help her deal with it, and Bernadette and Amy debate female scientists and sexuality.

Amy and Bernadette organise a prom to be held atop the guys' apartment complex, but Sheldon is leery of all the prom pomp, circumstance and romancing.

Margarita is a matriarch who has been hiding her armpit lump from her family. Bradley has a concerning growth that looks like raw meat on his leg.

Jeremy is a pastor with a hanging growth in an embarrassing location. Todd has a bump protruding from his forehead that is painful and humiliating.

Drag queen Tameru is covered in tiny clusters of cysts on his chest, arms and neck. He discovered his bumps over a decade ago and still doesn't know what they are.

Alonso's lipomas are holding him back at the gym. A comic book enthusiast deals with lumps on her face. Jeffrey has a leaky head lump named Larry.

Robert carries the weight of the huge lump on his head. Christina has big, veiny, liquid-filled balloons next to her eyes. Felipe has severe dry skin.

Eternal bridesmaid Brittany, now the bride, wants to 'drop it low' in a dress! Erika plans to wear her old wedding dress down the aisle - with a different fiancé.

Krystal S. wants to marry the man of her dreams, but she won't do it until she can be sure that she won't force him into the role of caretaker.