Whose Line Is It Anyway? (US)

Whose Line Is It Anyway? (US) has maintained a steady Annual rhythm for 26 years, typically returning in March. Originally debuting on ABC in 1998, the series became a staple of the network schedule before its eventual cancellation and subsequent 2013 revival on The CW. Throughout its modern incarnation, the program has served as a reliable utility player for the network, often filling gaps in the spring and summer programming slates with its high-energy improvisational format.

The show demonstrates remarkable consistency in its production cycle despite shifts in broadcast partners over the decades. While early seasons favored a traditional fall start, the revival era solidified a pattern of mid-season or summer premieres to capitalize on lighter competition. This longevity is anchored by a core cast and a format that requires minimal post-production, allowing it to remain a flexible fixture of the television landscape regardless of broader industry shifts.