Young Sheldon S05e12 - 480p

: Jason Alexander returns as Gene Lundy, arriving in his signature pink Cadillac.

While Sheldon is off exploring science fiction, Mary tries her hand at a new business venture: selling . Reunited with the eccentric Gene Lundy (guest star Jason Alexander), Mary tries to balance her religious beliefs with her new sales goals.

: Mary Cooper finds herself enticed by a business opportunity from Gene Lundy (played by guest star Jason Alexander ), who tries to recruit her into selling Mary Kay cosmetics. Mary’s internal conflict between her religious values and the vanity of the makeup industry manifests in surreal nightmares featuring Lundy as a persistent salesman. Key Highlights and Trivia young sheldon s05e12 480p

Meanwhile, Missy decides to experiment with her own look by borrowing makeup from her friends. Unfortunately, the "glorious tribal dance" of her new routine ends in a less-than-glamorous case of , much to Mary's horror.

Getting into a heated debate about Star Trek vs. Lost in Space . : Jason Alexander returns as Gene Lundy, arriving

Realizing that attending was the only "logical" choice for his budding scientific mind. Mary’s Makeup Nightmare

, titled "A Pink Cadillac and a Glorious Tribal Dance," the Cooper household is split between two very different adventures: a solo trek into nerd culture and a deep dive into the world of multi-level marketing. Sheldon’s First Comic-Con : Mary Cooper finds herself enticed by a

Season 5 of Young Sheldon, which premiered in 2021, follows Sheldon's journey as he navigates his relationships with his family and friends in Medford, Texas.

Meeting (played by guest star Steve Burns), a fellow enthusiast.

: Nathan, the adult Sheldon meets at the convention who cosplays as Jean-Luc Picard, is played by Steve Burns , the original host of Blue's Clues and the songwriter for the Young Sheldon theme song.

: The bus station Sheldon uses is actually the remodeled exterior of Luke’s Diner from Gilmore Girls , located on the Warner Bros. backlot.