Smallville (2001)

S2E4 Red

In this captivating dive into Superman lore, Clark encounters red kryptonite for the first time, leading him down a path of reckless behavior after he receives his high school ring, which contains the mysterious mineral. Simultaneously, Lex grapples with family tensions as his father, Lionel, begins to assert control over the mansion, creating a rift that needs to be addressed.