A television show has 22 episodes a season. The expression 22s represents the number of shows over ss seasons. How many shows are there in 13 seasons?

To find the number of shows in 13 seasons, we substitute s = 13 into the expression 22s:

22 * 13 = <<22*13=286>>286
Therefore, there are 286 shows in 13 seasons. Answer: \boxed{286}.